Fluid pump for dispensing a fluid to a setting or work environment
10451071 ยท 2019-10-22
Assignee
Inventors
Cpc classification
F04D13/026
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04D29/0465
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
A61H33/0091
HUMAN NECESSITIES
F04D13/0633
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F21Y2115/10
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04D13/024
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04D25/026
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04D13/064
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04D29/047
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F05B2240/50
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F21V19/003
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
International classification
F04D13/02
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F21V19/00
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04D29/42
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04D15/02
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04D29/66
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04D29/08
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04D29/047
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04D29/046
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04D13/06
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04D25/02
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Abstract
A fluid pump for dispensing a fluid to a setting or work environment is disclosed. A fluid pump having a contactless, fluid sensor and for use with a liner is also disclosed. The pump includes a jet assembly, a motor assembly, and a contactless, fluid sensor. The pump may further include a mounting housing member, a gasket or seal, and a liner when a liner is not already present. The jet assembly is coupled to or secured about the motor assembly. The jet assembly includes a jet assembly housing, and preferably also includes a printed circuit board (PCB), a PCB cover, a shaft assembly, and an impeller. The jet assembly housing includes a base, a top cover, an impeller-receiving chamber, at least one inlet aperture, and at least one outlet aperture. A pump apparatus that includes a pump as described, a power source, and/or a control apparatus is further disclosed.
Claims
1. A combination jet assembly and mounting housing member apparatus of a magnetic coupling fluid pump for dispensing a fluid to a setting or work environment in manicure and pedicure industries, said combination jet assembly and mounting housing member apparatus comprising: a jet assembly comprising a bearing assembly, a shaft assembly, a jet assembly housing, and an impeller, wherein said bearing assembly comprises at least one bearing member, wherein said shaft assembly comprises a shaft member, wherein said shaft member extends through an inner surface of said jet assembly housing, wherein said jet assembly housing comprises said inner surface, an outer surface, a base, a top cover, an impeller-receiving chamber, at least one inlet aperture, and at least one outlet aperture, wherein said base of said jet assembly housing is a unitary structure, wherein said base of said let assembly housing is enclosed during operation and comprises a first locking portion of a locking unit, and wherein said impeller-receiving chamber is defined by said base and said top cover when said base and said top cover are secured to one another; a mounting housing member comprising a top surface, and a bottom surface, dimensioned and configured to mount to a wall of a basin in the manicure and pedicure industries, wherein said top surface of said mounting housing member comprises a second locking portion of said locking unit, and wherein said jet assembly housing is detachably secured to said top surface of said mounting housing member by magnetic coupling; and said locking unit comprising said first locking portion and said second locking portion for preventing rotation of said jet assembly housing during operation.
2. The combination jet assembly and mounting housing member apparatus according to claim 1, wherein said mounting housing member further comprises a plate and at least one extension, wherein said plate has said top surface and said bottom surface, wherein said at least one extension extends rearward and away from said bottom surface of said plate, and wherein said at least one extension is for securing the motor.
3. The combination jet assembly and mounting housing member apparatus according to claim 1, wherein said locking unit is comprised of at least one locking knob positioned on said outer surface of said base of said jet assembly housing and of at least one locking aperture positioned on said top surface of said mounting housing member, and wherein said at least one locking aperture is dimensioned and configured for receiving said at least one locking knob such that said locking unit is formed when said at least one locking knob and said at least one locking aperture are secured with one another.
4. The combination jet assembly and mounting housing member apparatus according to claim 1, wherein said locking unit is a detachable locking unit.
5. The combination jet assembly and mounting housing member apparatus according to claim 1, wherein said outer diameter of said impeller is equal to or greater than said outer diameter of said at least one inlet aperture.
6. The combination jet assembly and mounting housing member apparatus according to claim 1, wherein an outer surface of said base of said jet assembly housing is adjacent to said top surface of said mounting housing member.
7. The combination jet assembly and mounting housing member apparatus according to claim 1, wherein said mounting housing member further comprises a plurality of mounting legs.
8. The combination jet assembly and mounting housing member apparatus according to claim 7, wherein at least one mounting leg of said plurality of mounting legs is dimensioned and configured for receiving a wing nut.
9. The combination jet assembly and mounting housing member apparatus according to claim 1, wherein said shaft assembly further comprises a shaft protection member that comprises a base, wherein said base of said shaft protection member is dimensioned and configured such that it does not extend through said bearing assembly, and wherein said at least one bearing member is dimensioned and configured such that a first end of said at least one bearing member is rotated above a top surface of said base of shaft protection member during operational use.
10. A combination jet assembly and mounting housing member apparatus of a magnetic coupling fluid pump for dispensing a fluid to a setting or work environment in manicure and pedicure industries, said combination jet assembly and mounting housing member apparatus comprising: a jet assembly comprising a bearing assembly, a shaft assembly, a jet assembly housing, and an impeller, wherein said bearing assembly comprises at least one bearing member, wherein said shaft assembly comprises a shaft member and a shaft protection member, wherein said shaft member extends through an inner surface of said jet assembly housing, wherein said shaft protection member comprises a base, and wherein said base of said shaft protection member is dimensioned and configured such that it does not extend through said bearing assembly, wherein said jet assembly housing comprises said inner surface, an outer surface, a base, a top cover, an impeller-receiving chamber, at least one inlet aperture, and at least one outlet aperture, wherein said base of said jet assembly housing is a unitary structure, wherein said base of said let assembly housing is enclosed during operation, and wherein said impeller-receiving chamber is defined by said base and said top cover when said base and said top cover are secured to one another; and a mounting housing member comprising a top surface, and a bottom surface, dimensioned and configured to mount to a wall of a basin in the manicure and pedicure industries, wherein said jet assembly housing is detachably secured to said top surface of said mounting housing member by magnetic coupling, and wherein said top surface of said mounting housing member comprises a generally flat section that is at least 10% of said top surface for accommodating a liner being positioned between said base of said jet assembly housing and said top surface of said mounting housing member.
11. The combination jet assembly and mounting housing member apparatus according to claim 10, further comprising a locking unit for securing said jet assembly housing to said mounting housing member to prevent rotation of said jet assembly housing during operation, wherein said base of said jet assembly housing comprises a first locking portion of said locking unit, and wherein said top surface of said mounting housing member comprises a second locking portion of said locking unit whereby said first locking portion and said second locking portion interact with one another during operation to prevent rotation of said jet assembly housing.
12. The combination jet assembly and mounting housing member apparatus according to claim 11, wherein said locking unit is comprised of at least one locking knob positioned on said outer surface of said base of said jet assembly housing and of at least one locking aperture positioned on said top surface of said mounting housing member, and wherein said at least one locking aperture is dimensioned and configured for receiving said at least one locking knob such that said locking unit is formed when said at least one locking knob and said at least one locking aperture are secured with one another.
13. The combination jet assembly and mounting housing member apparatus according to claim 12, wherein said locking unit is a detachable locking unit.
14. The combination jet assembly and mounting housing member apparatus according to claim 11, wherein said locking unit is a detachable locking unit.
15. The combination jet assembly and mounting housing member apparatus according to claim 10, wherein said mounting housing member further comprises a plate and at least one extension, wherein said plate has said top surface and said bottom surface, wherein said at least one extension extends rearward and away from said bottom surface of said plate, and wherein said at least one extension is for securing the motor.
16. The combination jet assembly and mounting housing member apparatus according to claim 10, wherein said outer diameter of said impeller is equal to or greater than said outer diameter of said at least one inlet aperture.
17. The combination jet assembly and mounting housing member apparatus according to claim 10, where said generally flat section is located at about a center of said mounting housing member.
18. The combination jet assembly and mounting housing member apparatus according to claim 10, wherein said at least one bearing member is dimensioned and configured such that a first end of said at least one bearing member is rotated above a top surface of said base of shaft protection member during operational use.
19. A fluid pump for dispensing a fluid to a setting or work environment in manicure and pedicure industries, said fluid pump comprising: a jet assembly comprising a jet assembly housing and an impeller, wherein said jet assembly housing comprises an inner surface, an outer surface, a base, a top cover, an impeller-receiving chamber, at least one inlet aperture, and at least one outlet aperture, wherein said base of said jet assembly housing is a unitary structure, wherein said base of said jet assembly housing is enclosed during operation and comprises a first locking portion of a locking unit, wherein said impeller-receiving chamber is defined by said base and said top cover when said base and said top cover are secured to one another, wherein said impeller comprises an upper surface, a lower surface, a side surface, an outer diameter, and at least one arm member, wherein said outer diameter of said impeller is equal to or greater than an outer diameter of said at least one inlet aperture, and wherein, when said base and said top cover are secured to one another, a first position is defined at a highest point of said at least one arm member of said impeller, and a second position is defined at a lowest positioned inlet aperture of said at least one inlet aperture on said inner surface of said top cover, and wherein said first position and said second position are spaced less than half of said outer diameter of said impeller; a mounting housing member comprising a top surface, and a bottom surface, dimensioned and configured to mount to a wall of a basin in the manicure and pedicure industries, wherein said top surface of said mounting housing member comprises a second locking portion of said locking unit, and wherein said jet assembly housing is detachably secured to said top surface of said mounting housing member; by magnetic coupling; and said locking unit comprising said first locking portion and said second locking portion for preventing rotation of said jet assembly housing during operation.
20. The fluid pump according to claim 19, further comprising a bearing assembly, wherein said bearing assembly comprises at least one bearing member.
21. The fluid pump according to claim 19, further comprising a shaft assembly, wherein said shaft assembly comprises a shaft member and a shaft protection member.
22. The fluid pump according to claim 21, wherein said shaft member extends through said inner surface of said jet assembly housing.
23. The fluid pump according to claim 21, wherein said shaft protection member comprises a base.
24. The fluid pump according to claim 19, wherein said top surface of said mounting housing member comprises a generally flat section that is at least 10% of said top surface for accommodating a liner being positioned between said base of said jet assembly housing and said top surface of said mounting housing member.
25. The fluid pump according to claim 19, wherein said locking unit is comprised of at least one knob positioned on said outer surface of said base of said jet assembly.
26. A spa tub in manicure and pedicure industries comprising: a basin that is configured for mounting a magnetic coupling fluid pump; and said magnetic coupling fluid pump comprising: a jet assembly comprising a jet assembly housing and an impeller, wherein said jet assembly housing comprises an inner surface, an outer surface, a base, a top cover, an impeller-receiving chamber, at least one inlet aperture, and at least one outlet aperture, wherein said base of said jet assembly housing is a unitary structure, wherein said base of said jet assembly housing is enclosed during operation and comprises a first locking portion of a locking unit, wherein said impeller-receiving chamber is defined by said base and said top cover when said base and said top cover are secured to one another, wherein said impeller comprises an upper surface, a lower surface, a side surface, an outer diameter, and at least one arm member, wherein said outer diameter of said impeller is equal to or greater than an outer diameter of said at least one inlet aperture, and wherein, when said base and said top cover are secured to one another, a first position is defined at a highest point of said at least one arm member of said impeller, and a second position is defined at a lowest positioned inlet aperture of said at least one inlet aperture on said inner surface of said top cover, and wherein said first position and said second position are spaced less than half of said outer diameter of said impeller; a mounting housing member comprising a top surface, and a bottom surface, dimensioned and configured to mount to a wall of said basin, wherein said top surface of said mounting housing member comprises a second locking portion of said locking unit, wherein said jet assembly housing is detachably secured to said top surface of said mounting housing member by magnetic coupling; and said locking unit comprising said first locking portion and said second locking portion for preventing rotation of said jet assembly housing during operation.
27. The spa tub according to claim 26, wherein said jet assembly further comprises a bearing assembly that comprises at least one bearing member.
28. The spa tub according to claim 26, wherein said jet assembly further comprises a shaft assembly that comprises a shaft member and a shaft protection member.
29. The spa tub according to claim 28, wherein said shaft member extends through said inner surface of said jet assembly housing.
30. The spa tub according to claim 28, wherein said shaft protection member comprises a base.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
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(25) It should be understood that the above-attached figures are not intended to limit the scope of the present invention in any way.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
(26) The present invention is directed to a fluid pump for dispensing a fluid to a setting or work environment. Referring to
(27) The jet assembly 180 is secured, attached or coupled to the motor assembly 200, and this may be accomplished by various means. As a non-limiting example and as shown in
(28) As a non-limiting example and as best shown in
(29) As shown in
(30) As best shown in
(31) As best shown in
(32) Preferably, the plurality of inlet apertures 185 form an outer diameter that is equal to or smaller than the outer diameter of the impeller 170.
(33) Preferably, each of the outlet apertures 186 has a nozzle. Preferably, each of the nozzles and an axis of the fluid pump 10,300 form an angle less than 90 degree.
(34) As shown in
(35) Preferably, the light source 275 is configured to emit a light that illuminates the first fluid, when the magnetic array 177,210 is driven. The impeller 170 causes the first fluid to flow into the the plurality of inlet apertures 185 and out the the plurality of outlet apertures 186. Illuminating the first fluid via the light source 275 includes providing energy to the light source 275 via magnetic waves captured by the inductive coils 274, which are positioned between the impeller 170 and base 182 of the jet assembly housing 181. As a non-limiting example, the parameter of the illumination includes at least one of intensity, color, illumination sequencing, and any combination thereof.
(36) As shown in
(37) As shown in
(38) The shaft member 150 includes a base 152 and a cylindrical body 154 extending upwardly from the base 152. The cylindrical body 154 has a first end 156 and a second end 158. As best shown in
(39) The shaft protection member 160 includes a base 162, preferably a ring-like base, and a cylindrical body 164 extending upwardly from the ring-like base 162. The cylindrical body 164 has a first end 166, a second end 168, and a cavity 169 extending from the first end 166 to the second end 168. As shown in
(40) The locking mechanism 159 secures the shaft protection member 160 within the housing 181 of the jet assembly 180,180. The locking mechanism 159 may be a locking nut that, when in use, is secured onto the second end 158 of the cylindrical body 154 of the shaft member 150.
(41) As shown in
(42) As best shown in
(43) In that regard, the motor assembly 200 may include and/or be coupled to a power source 400 that enables rotation of the motor shaft member 208 and magnetic impeller 170. Upon operation of the motor assembly 200, the motor shaft member 208 is rotated such that the magnetic field 212 generated by the magnetic pole array 210 moves or fluctuates in accordance with the rotation of the magnetic pole array 210.
(44) Furthermore, the motor assembly 200 may further include an air channel (not shown), or air channel member (not shown). In that regard, the air channel includes an inlet (not shown) and outlet (not shown). The air channel, in part, enables the jet assembly 180,180 to produce a jet stream of fluid that includes an air mixture.
(45) As best shown in
(46) As shown in
(47) As a non-limiting example and as best shown in
(48) The contactless, fluid sensor 241 is secured, attached, fixed or mounted to the sensor-receiving cavity 253 of the mounting housing member 250. Preferably, the contactless, fluid sensor 241 is a contactless, capacitive fluid sensor 241. It is obvious to one of ordinary skill in the art that the contactless, fluid sensor 241 can be secured, attached, fixed or mounted to any position on the other components of the fluid pump 10, such as, but not limited to, the mounting housing member 250 (shown in
(49) The sensor cover 244 is secured, attached, fixed or mounted to the contactless, fluid sensor 241, and provides protection for the contactless, fluid sensor 241 against fluid or water, chemicals, substances, etc. that are present in the setting SET. Preferably, the sensor cover 244 is dimensioned and configured to cover all or substantially all of the contactless, fluid sensor 241. Preferably, the sensor cover 244 is made or manufactured of a non-metal material.
(50) The sensor output data cable or cable connector 245 operatively connects with, or is in operative communication with, the plurality of connections 242 for data wiring of the contactless, fluid sensor 241 through the hole or opening 254 of the sensor-receiving cavity 253.
(51) As a non-limiting example and as best shown in
(52) As shown in
(53) As shown in
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(55) As best shown in
(56) As shown in
(57) The outer bearing member 120 includes a base 122, preferably a ring-like base, and a cylindrical body 124 extending upwardly from the ring-like base 122. The ring-like base 122 has a predetermined thickness. The cylindrical body 124 has a first end 126, a second end 128, and a cavity 129 extending from the first end 126 to the second end 128. As shown in
(58) The inner bearing member 130 includes cylindrical body 134 having first end 136, a second end 138, and a cavity 139 extending from the first end 136 to the second end 138. As shown in
(59) As shown in
(60) The shaft protection member 160 includes a base 162, preferably a ring-like base, and a cylindrical body 164 extending upwardly from the ring-like base 162. The cylindrical body 164 has a first end 166, a second end 168, and a cavity 169 extending from the first end 166 to the second end 168. As shown in
(61) The locking mechanism 159 secures the shaft protection member 160 within the housing 181 of the jet assembly 180,180. The locking mechanism 159 may be a locking nut that, when in use, is secured onto the second end 158 of the cylindrical body 154 of the shaft member 150.
(62) In addition, when the magnetic coupling-type pump 300 is assembled as shown in
(63) In operation or use and as shown in
(64) Preferably when in operation or use and as shown in
(65) Moreover, during operation of the fluid pump 300 and motor assembly 200 as shown in
(66) In a further exemplary aspect, the present invention is directed to a method for dispensing a fluid to a setting using a fluid pump 10,300 having a contactless, fluid sensor 241 and the fluid pump being for use with a liner 290, the method comprising the steps of:
(67) securing a fluid pump 10,300 to a setting SET,
(68) wherein the fluid pump 10,300 comprises a motor assembly 200
(69) comprising a
(70) motor 202, a jet assembly 180,180 secured to or about the motor assembly 200, and a contactless, fluid sensor assembly 240 comprising a contactless, fluid sensor 241,
(71) wherein the jet assembly 180,180 is in operative communication with the motor 202,
(72) wherein the jet assembly 180,180 comprises a jet assembly housing 181, a shaft member assembly, and an impeller 170 having an outer diameter,
(73) wherein the jet assembly housing 181 comprises a base 182, a top cover 183, an impeller-receiving chamber 184 defined by the base 182 and the top cover 183, at least one inlet aperture 185, and at least one outlet aperture 186,
(74) wherein the base 182 of the jet assembly housing 181 comprises an inner surface 191 and an outer surface 192,
(75) wherein the top cover 183 of the jet assembly housing 181 comprises an inner surface 231 and an outer surface 232,
(76) wherein the shaft member assembly comprises a shaft member 150 secured to the base 182 of the jet assembly housing 181,
(77) wherein the at least one inlet aperture 185 is disposed about the housing 181 and is dimensioned and configured to allow a fluid to enter the jet assembly housing 181 when in operation,
(78) wherein the at least one outlet aperture 186 is disposed about the housing 181 and is dimensioned and configured to allow the fluid to exit from the jet assembly housing 181 and enter a setting SET when in operation,
(79) wherein the impeller-receiving chamber 184 is dimensioned and configured to receive the impeller 170 and to allow the impeller 170 to rotate about the shaft member 150 within the impeller-receiving chamber 184, and
(80) wherein the impeller 170 is caused by the motor 202 to rotate within the impeller-receiving chamber 184 when in operation, wherein the rotation of the impeller 170 causes a first fluid to enter the jet assembly housing 181 via the at least one inlet aperture 185 and to exit the jet assembly housing 181 via the at least one outlet aperture 186;
(81) securing a liner 290 to the fluid pump 10,300 (preferably), or the setting SET,
(82) wherein the contactless, fluid sensor 241 is secured at a predetermined location on the fluid pump 10,300 that is rearward of both the jet assembly 180,180 and the liner 290 being used within the setting SET such that the contactless, fluid sensor 241 does not make contact with a fluid when in operation, wherein the contactless, fluid sensor 241 is able to detect a fluid level in the setting SET such that the amount or volume of fluid within the setting SET can be controlled;
(83) causing rotation of the impeller 170 about the shaft member assembly and positioned within the impeller-receiving chamber 184 defined by the housing 181 of the jet assembly 180,180;
(84) allowing the fluid to enter the housing 181 of the jet assembly 180,180 through the at least one input aperture 185 disposed about the housing 181 of the jet assembly 180,180;
(85) disturbing the entered fluid with the rotating impeller 170; and
(86) dispensing the entered fluid through the at least one output aperture 186 disposed about the housing 181.
(87) In addition, the method above may further include: wherein the shaft member assembly is a bearing and shaft assembly 100 that is comprised of a bearing assembly 110 comprising an outer bearing member 120 and an inner bearing member 130, and a shaft assembly 140 comprising a shaft member 150, a shaft protection member 160, and a locking mechanism 159.
(88) Furthermore, the method above may further include:
(89) wherein the outer bearing member 120 further comprises a base 122 comprising a cavity, wherein the cylindrical body 124 of the outer bearing member 120 extends upwardly from the base 122, wherein the cavity of the base 122 is dimensioned and configured for receiving the inner bearing member 130,
(90) wherein the shaft member 150 further comprises a base 152, wherein the cylindrical body 154 of the shaft member 150 extends upwardly from the base 152 of the shaft member 150, and
(91) wherein the shaft protection member 160 further comprises a base 162 comprising a cavity, wherein the cylindrical body 164 of the shaft protection member 160 extends upwardly from the base 162 of the shaft protection member 160, and wherein the cavity of said base 162 is dimensioned and configured for receiving the shaft member 150.
(92) Additionally, the method above may further include:
(93) wherein the jet assembly 180,180 is adapted for being secured to a fluid pump 10,300, such as a magnetic coupling pump 10,300 and the like, wherein the impeller 170 is a magnetic impeller 170 comprising a magnetic pole array 177, wherein a motor assembly 200 of the magnetic coupling pump 300 comprises a motor 202, a magnetic pole array 210, and a motor shaft member 208 adapted for being rotated such that a magnetic field 212 generated by the magnetic pole array 210 of the motor assembly 200 moves or fluctuates in accordance with the rotation of the magnetic pole array 210 of the motor assembly 200, wherein the motor 202 drives the magnetic pole array 210 of the motor assembly 200, wherein the magnetic field 212 moves and/or causes rotation of the magnetic pole array 177 of the magnetic impeller 170, and wherein rotation of the magnetic impeller 170 results in the fluid being drawn towards the magnetic impeller 170 through the at least one inlet aperture 185 and the fluid to be propelled out of the jet assembly 180,180 through the at least one outlet aperture 186.
(94) Further, the method above may further include:
(95) wherein the outer bearing member 120 is manufactured of a plastic material or engineered plastics, wherein the inner bearing member 130 is manufactured of rubber or a rubber-like material, wherein the shaft member 150 is manufactured of steel or a metal material, and wherein the shaft protection member 160 is manufactured of a hard material.
(96) Furthermore, the method above may further include any of the parts, steps and/or details that have been described in the above paragraphs with regard to the improved bearing and shaft assembly 100, jet assemblies 180,180, and fluid pumps 10,300, such as magnetic coupling pumps 10,300 and the like.
(97) It is to be understood that the present invention is not limited to the embodiments described above or as shown in the attached figures, but encompasses any and all embodiments within the spirit of the invention.