Air Compression Device
20220372959 · 2022-11-24
Inventors
Cpc classification
F04B35/01
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04B39/121
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04B35/04
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04B35/06
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
International classification
F04B35/01
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04B35/04
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F04B39/06
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Abstract
An air compression device has a housing, a compressor device for the compression of air, an electric motor for driving the compressor device and for generating an air flow within the housing, a transmission for mechanically connecting the electric motor to the compressor device, and a power supply at least for supplying the electric motor with power. At least sections of the compressor device, the electric motor, the transmission, and the power supply are arranged in the housing. The air compression device also includes an air guide device which guides the air flow from the power supply to the compressor device and the electric motor using the transmission, wherein at least sections of the air guide device are arranged within the housing.
Claims
1. An air compression device comprising: a housing; a compressor device configured to compress air; an electric motor configured to drive the compressor device and to generate an airflow within the housing; a gearbox mechanically connecting the electric motor to the compressor device; a power supply configured to supply at least the electric motor with power, wherein the compressor device, the electric motor, the gearbox, and the power supply are, at least in portions disposed in the housing; and an air-directing device which, using the gearbox, directs the airflow from the power supply to the compressor device and to the electric motor, the air-directing device being, at least in portions disposed within the housing.
2. The air compression device as claimed in claim 1, wherein the air-directing device has at least one air-directing element, that directs the airflow from the power supply to the gearbox.
3. The air compression device as claimed in claim 2, wherein the air-directing element is configured as a gearbox lid of the gearbox.
4. The air compression device as claimed in claim 2, wherein the air-directing element is arranged between the gearbox and the housing.
5. The air compression device as claimed in claim 4, wherein the air-directing element is configured as a seal is disposed so as to, at least in portions, encircle the gearbox.
6. The air compression device as claimed in claim 4, wherein the gearbox receives the housing via a tongue-and-groove connection, and the tongue-and-groove connection defines the air-directing element.
7. The air compression device as claimed in claim 1, wherein the air-directing device defines at least one air-directing opening that directs the airflow from the power supply into the gearbox.
8. The air compression device as claimed in claim 1, wherein: the air-directing device has at least one first air-directing guide element and at least one second air-directing guide element, the first air-directing guide element guides at least one first partial airflow of the airflow from the gearbox to the compressor device, and the second air-directing guide element guides at least one second partial airflow of the airflow from the gearbox to the electric motor.
9. The air compression device as claimed in claim 1, wherein the air-directing device has at least one further air-directing element that directs the airflow from the electric motor to the compressor device.
10. The air compression device as claimed in claim 1, characterized in that wherein the electric motor is further configured to generate a further airflow, and the air-directing device directs the further airflow from the electric motor to the compressor device.
11. The air compression device as claimed in claim 1, wherein the gearbox has a gearbox housing, and the gearbox housing defines the air-directing device.
12. The air compression device as claimed in claim 1, further comprising: a control unit configured to control the air compression device, the control unit disposed in the housing so as to be substantially parallel to the power supply.
13. The air compression device as claimed in claim 8, wherein the air-directing device has at least one further air-directing element that directs the second partial airflow from the electric motor to the compressor device.
14. The air compression device as claimed in claim 9, wherein the electric motor is further configured to generate a further airflow, and the further air-directing element directs the further airflow from the electric motor to the compressor device.
15. The air compression device as claimed in claim 5, wherein the seal is a rubber seal.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
[0072] The invention will be explained hereunder by means of a preferred embodiment. In the drawings:
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DESCRIPTION OF EXEMPLARY EMBODIMENT
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[0087] The power supply 180 supplies the air compression device 100 with electric power. This embodiment involves a rechargeable-battery-operated air compression device which is able to be operated while using at least one rechargeable battery. The at least one rechargeable battery here is embodied as a permanently installed rechargeable battery.
[0088] The gearbox 160 in this embodiment is disposed between the power supply 180 and the electric motor 140 and the compression device 120. The power supply 180, the electric motor 140, and the compressor device 120 are disposed about the gearbox 160. The power supply 180 is disposed in a first region 102 of the air compression device 100. The compressor device 120 and the electric motor 140 are disposed in a second region 104 of the air compression device 100. The gearbox 160 here is disposed so as to be substantially between the first region and the second region.
[0089] The air compression device 100 furthermore comprises a control unit 106 for controlling the air compression device 100. In this embodiment, the gearbox 160 is disposed between the control unit 106 and the electric motor 140 and the compressor device 120. The control unit 106 here is provided for controlling the power supply 180, the electric motor 140 and the compressor device 120. The housing 110 receives the control unit 106. Furthermore, the control unit 106 is disposed within the housing 110. In this embodiment, the control unit 106 is disposed within the housing 110 so as to be substantially parallel to the power supply 180. Moreover, the control unit 106 has at least one connector element 107 which, by way of example, here is embodied as a USB-C coupling. The connector element 107 is provided for configuring at least one plug connection to a plug element, for example a USB-C plug so as to transmit the electric power for charging the permanently installed rechargeable battery.
[0090] Moreover, the air compression device 100 comprises an output and input unit 184. In this embodiment, the output and input unit 184 is disposed so as to be substantially parallel to the compressor device 120. Furthermore, the output and input unit 184 is at least in part disposed in the housing 110. The output and input unit 184, by way of example, here is embodied as at least one display 186 having at least one operating element and as a main switch 188. The operating element of the output and input unit 184 is not illustrated in more detail here. In this embodiment, the output and input unit 184 is disposed so as to be substantially parallel to the compressor device 120.
[0091] The housing 110 comprises at least one storage device 112. The storage device 112 is configured for storing accessories for the air compression device 100. The storage device 112, by way of example, here is embodied as a storage compartment; cf. also
[0092] The compressor device 120, the electric motor 140, the gearbox 160, the power supply 180 and the control unit 106 are at least in portions disposed in the housing 110. The housing 110 receives the power supply 180, the gearbox 160, the compressor device 120, the electric motor 140 and the control unit 106 at least in a form-fitting manner. The housing 110 of the air compression device 100 here is embodied as an elongate housing 110. The elongate housing 110 here has an elongate shape which, by way of example, here is configured in the manner of a wedge; cf. also
[0093] In this embodiment, the elongate housing 110 comprises two air intake openings 114 which here are configured in the first region 102 of the air compression device 100 at the power supply 180 and, by way of example, here are embodied so as to be elliptical. The air intake openings 114 enable air to enter the elongate housing 110. Moreover, the elongate housing 110 comprises two air exhaust openings 118 which are configured in the second region 104 of the air compression device 100 at the compressor device 120. Furthermore, the air exhaust openings 118, by way of example, here are embodied in the manner of slots; cf. also
[0094] The air compression device 100 furthermore comprises an air-directing device 200. The air-directing device 200 is at least in portions disposed within the elongate housing 110; cf. also
[0095] Additionally, the air-directing device 200, while using the gearbox 160, disposes the power supply 180 in the first region 102 of the air compression device 100. The air-directing device 200, while using the gearbox 160, also disposes the compressor device 120 and the electric motor 140 in the second region of the air compression device 100. The air-directing device 200 here is configured for directing the airflow 190 from the first region 102 into the second region 104 by way of the gearbox 160. The gearbox 160 here is disposed so as to be substantially between the first region 102 and the second region 104.
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[0097] The compressor device 120 has a compressor axis 122, wherein the compressor axis 122 is predefined along a direction 123 in which air is compressed by the compressor device 120. A drive shaft 141 of the electric motor 140 is set in rotation as soon as the electric motor 140 is supplied with electric power, and in the process configures a rotation axis 142. The rotation axis 142 of the electric motor 140 here represents an electric motor axis 144.
[0098] The gearbox 160 disposes the compressor device 120 and the electric motor 140 at a mutual angle. The compressor axis 122 and the electric motor axis 144 here enclose an angle 400 in the range between 10° and 80°. The electric motor 140, while using the gearbox 160, is mechanically connected to the compressor device 120. As a result, the electric motor 140 drives the compressor device 120. The drive shaft 141 here engages at least in part in the gearbox 160.
[0099] The gearbox 160 here is embodied as a bevel gear 162. The gearbox 160 here comprises a gear wheel 164. The gear wheel 164 is rotatably mounted in a gearbox housing 166. The gearbox housing 166 is configured for connecting the electric motor 140 to the compressor device 120. The drive shaft 141 here engages in a form-fitting manner in the gear wheel 164. A rotation axis 161 of the gearbox 160, the former here representing the gearbox axis 163, is configured as soon as the gear wheel 164 is set in rotation. The gearbox axis 163 here is perpendicular to the drawing plane of
[0100] The compressor device 120 has a compressor con rod 124. The compressor con rod 124 mechanically connects the compressor device 120 to the gearbox 160. To this end, the compressor con rod 124 is connected to the gear wheel 164. The gear wheel 164 comprises a receptacle 165 for the compressor con rod 124, and the compressor con rod 124 is connected to the gear wheel 164 by means of a compressor fastening element 125. In this embodiment, the receptacle 165 of the gear wheel 164 is embodied as an opening with a thread. The compressor fastening element 125 here is embodied as a screw with a nut. The receptacle 165 of the gear wheel 164 and the gearbox axis 163 here have a mutual spacing; cf. also
[0101] The compressor device 120 furthermore comprises a compressor housing 126. The compressor housing 126, while using the first connection element 168, is connected to the gearbox 160. The compressor housing 126 here is embodied in the manner of a cage and engages at least in part in the first connection element 168; cf. also
[0102] Moreover, the compressor device 120 comprises a compressor cylinder 130 and a compressor piston 131. The compressor piston 131 compresses air in the compressor cylinder 130. The first connection element 138 additionally connects the compressor cylinder 130 in a form-fitting manner to the gearbox 160. The compressor housing 126 receives the compressor cylinder 130, wherein the compressor housing 126 at least partially encloses the compressor cylinder 130. The compressor housing 126 here is disposed about the compressor cylinder 130 in the manner of a cage. The compressor cylinder 130 here is embodied in the manner of a cup. The compressor cylinder 130 comprises a compressor inlet 132 and a compressor outlet 128. Air can flow into the compressor cylinder 130 by way of the compressor inlet 132. Compressed air can flow out of the compressor cylinder 130 by way of the compressor outlet 128. The compressor device 120 has a compressor valve 129 which is disposed on the compressor outlet 128. The compressor valve 129 closes the compressor outlet 128 substantially in such a manner that the compressed air escapes at a predefined air pressure. The compressed air flows to the compressor connection element 127 by way of the compressor outlet 128 and the compressor valve 129.
[0103] The compressor piston 131 here is connected to the compressor con rod 124 at least in a form-fitting manner. The compressor con rod 124 here is mounted so as to be pivotable in the compressor piston 131. Moreover, the compressor piston 131 is mounted so as to be movable in the compressor cylinder 130. The compressor piston 131 comprises a compressor seal 133, wherein the compressor seal 133 is disposed so as to at least in part encircle the compressor piston 131. The compressor seal 133 is embodied in the manner of a lip. The compressor seal 133 is substantially impermeable to air in a first operating direction of the compressor piston 131, and substantially permeable to air in a second operating direction of the compressor piston 131. As a result thereof, the air in the compressor cylinder 130 can be compressed in the first operating direction of the compressor piston 131, and air can flow into the compressor cylinder 130 in the second operating direction of the compressor cylinder 130. In this embodiment, the first operating direction of the compressor piston 131 is along the direction 123 in which air is compressed, whereas the second operating direction of the compressor piston 131 is opposed to the direction 123 in which air is compressed.
[0104] The compressor device 120 thus has the compressor housing 126, the compressor cylinder 130, the compressor piston 131, the compressor seal 133, the compressor con rod 124 and the compressor valve 129.
[0105] The first connection element 168 is additionally provided for guiding the compressor piston 131 along the compressor axis 122 when the electric motor 140 drives the gear wheel 164. To this end, the first connection element 168 comprises a piston guide element 169. The piston guide element 169 here receives the compressor piston 131 at least in a form-fitting manner and guides the compressor piston 131 along the compressor axis 122. In this embodiment, the piston guide element 169 is configured as an opening in the manner of a hollow cylinder.
[0106] The air compression device 100 comprises a pressure measuring module 280; cf. also
[0107] The elongate housing 110 configures a Y shape. The elongate housing 110 here comprises three housing axes 410, 412, 414. The three housing axes 410, 412, 414 define the Y shape. Moreover, the three housing axes 410, 412, 414 intersect in an intersection point. In this embodiment, the gearbox 160 is disposed on the intersection point of the three housing axes 410, 412, 414. The power supply 180 is disposed on a first housing axis 410. A second housing axis 412 is configured by the compressor axis 122, wherein the compressor device 120 is disposed on the second housing axis 412. A third housing axis 414 is embodied by the electric motor axis 144. The electric motor 140 in this instance is disposed on the third housing axis 414.
[0108] The gearbox axis 163 and the compressor axis 122 and the electric motor axis 144 enclose in each case an angle 402, 404 in the range from 50° to 120°. The angle 402 between the gearbox axis 163 and the compressor axis 122 here is in the range from 50° to 120°. Furthermore, the angle 404 between the gearbox axis 163 and the electric motor axis 122 is in the range from 50° to 120°.
[0109] The power supply 180 and the electric motor axis 144 enclose an angle 406 in the range from 100° to 200°. In this embodiment, the first housing axis 410 and the electric motor axis 144 configure the angle 406 in the range of 100° to 200°. Moreover, the power supply 180 and the compressor axis 122 enclose an angle 408 in the range from 110° to 210°. In this embodiment, the angle 408 is embodied between the first housing axis 410 and the compressor axis 122.
[0110] In this embodiment, the control unit 106 is disposed so as to be substantially parallel to the power supply 180 such that the control unit 106 is disposed so as to be substantially parallel to the first housing axis 410 and along the first housing axis 410. As a result thereof, the control unit 106 and the compressor axis 122 configure an angle 409 in the range from 110° to 210°.
[0111] The air compression device 100 comprises an air-directing device 200. The air-directing device 200, with the aid of the gearbox 160, directs the airflow 190 from the power supply 180 to the compressor device 120 and additionally to the electric motor 140. The air-directing device 200 is at least in portions disposed within the elongate housing 110. The air-directing device 200 in this embodiment is configured by the gearbox housing 166; cf. also
[0112] Furthermore, the air-directing device 200 comprises a first air-directing guide element 220 and a second air-directing guide element 222. The first air-directing guide element 220 guides a first partial airflow 192 of the airflow 190 from the gearbox 160 to the compressor device 120. The first air-directing guide element 220 here is embodied as a first air-directing guide opening in the manner of a hollow cylinder. The second air-directing guide element 222 guides a second partial airflow 194 of the airflow 190 from the gearbox 160 to the electric motor 140. The second air-directing guide element 222 here is configured as four second air-directing guide openings, wherein the four air-directing guide openings have in each case an opening which is annular at least in portions. The first air-directing guide element 220 and the second air-directing guide element 222 in this embodiment are configured so as to be integral to the gearbox housing 166; cf. also
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[0114] In order for the electric motor 140 to be able to generate the further airflow 196, the elongate housing 110 comprises further air intake openings 116; cf. also
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[0116] Moreover, the air-directing device 200 here comprises three air-directing openings 202. The air-directing openings 202 direct the airflow 190 from the power supply 180 into the gearbox 160. In this embodiment, the air-directing openings 202 are at least in portions embodied so as to be oval. Moreover, the air-directing openings 202 here are in each case embodied as an opening 167 in the gearbox housing 166.
[0117] As described above, the air compression device 100 comprises the pressure measuring module 280. The pressure measuring module 280 here is disposed on the gearbox lid 214 and is connected to the latter at least in a form-fitting manner. The compressor housing 126 receives the overpressure unit 282 and disposes the overpressure unit 282 at the electric motor 140.
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