Disclosed herein is a temperature actuated valve, including a stationary member and a movable member, wherein the stationary member is configured to receive the movable member. A first flow path is defined between an outer surface of the stationary member and an inner surface of a housing and a second flow path defined by and within the movable member. The temperature actuated valve further includes at least one temperature actuated member having a first end seated against a base of the stationary member and a second end seated against a base of the movable member. The temperature actuated valve further includes a bias member having a first end connected to the base of the stationary member and a second end connected to the base of the movable member, the at least one temperature actuated member configured to compress at a first temperature and expand at a second temperature.

A portable oscillating compression system including an for compressing air; an accumulator tank for receiving and storing the compressed air from the air compressor; an air pressure adjustment module for modulating pressure of the compressed air when the compressed air exits the accumulator tank; a valve body assembly attached to the accumulator tank, a plurality of inflatable cuffs connected to the valve body assemble for receiving the compressed air from the valve body assembly; a controller for controlling the valve body assembly; a power supply; and a housing for containing said system.

Apparatus and methods for integrated emergency wash systems. Various embodiments include thermostatically controlled mixing valves arranged so as to permit load carrying by the body of the valve. Further, the integrated wash systems are especially suited for use in laboratories and manufacturing settings in which available space is at a premium.

Provided are a power element and an expansion valve using same that are capable of suppressing local deformation of a diaphragm or the like while ensuring the transfer efficiency of a refrigerant. A power element includes a diaphragm; an upper lid member that is overlapped on one surface in the vicinity of the outer circumference of the diaphragm and forms a pressure working chamber PO with the diaphragm; a receiving member that is overlapped on another surface in the vicinity of the outer circumference of the diaphragm and forms a refrigerant inflow chamber LS with the diaphragm; and a stopper member housed in the refrigerant inflow chamber LS and in contact with the diaphragm, wherein a plate thickness near a support point of the diaphragm is thicker than a plate thickness at a central portion of the diaphragm.

Provided are a power element and an expansion valve using same that are capable of obtaining a desired temperature/flow rate characteristic while being low cost. A power element includes a diaphragm; an upper lid member that is joined to one side of an outer circumferential portion of the diaphragm and forms a pressure working chamber PO with the diaphragm; an annular support point adjustment member that is joined to another side of an outer circumferential portion of the diaphragm; a receiving member that is joined to the support point adjustment member and forms a refrigerant inflow chamber LS with the diaphragm, and a stopper member housed in the refrigerant inflow chamber LS, wherein the diaphragm is capable of coming into contact with a support point of the support point adjustment member.

An actuating device includes an actuator and a stationary portion. The actuator has at least one driving portion. The stationary portion is provided at an arbitrary position along the actuator such that the driving portion forms a first driving portion and a second driving portion. The first driving portion and the second driving portion can be provided with the same actuating ability or with different actuating abilities respectively by adjusting the position of the stationary portion.

A servo valve comprising: a fluid transfer valve assembly comprising a supply port and a control port (P.sub.A, P.sub.B); a moveable valve spool arranged to regulate flow of fluid from the supply port to the control port in response to a control signal; and a drive means configured to axially move the valve spool relative to the fluid transfer assembly in response to the control signal to regulate the fluid flow; wherein the drive means comprises a piezo actuator element mounted within and axially movable with the valve spool, the piezo actuator configured to extend axially in response to the control signal to cause corresponding axially movement of the spool.

A thermostatic valve includes a hollow body, two openings opening into the body and being hydraulically connected by a pass section, and a shut-off component arranged partially in the pass section and having a thermostatic actuator, a return component, a valve capable of opening the first opening when actuated by the thermostatic actuator and of closing the first opening when returned by the return component. The thermostatic actuator includes a cylinder containing an expansion material and a stem defining an axial direction. A relative movement between the cylinder and the stem along the axial direction occurs under the action of the expansion material. The stem bears at an ends against an abutment element, which is movable under the action of movement component in the direction of the cylinder to allow the opening of the first opening when the temperature of the expansion material is below the threshold temperature.

A device that includes a thermostatic element, with a piston and a body movable along an axis with respect to one another under the effect of the expansion of a thermodilatable material, and a stopper moved axially by the body with respect to a fixed seat so as to open and close a fluid circulation passage. The stopper includes a flexible seal which rests sealingly against the fixed seat in order to close the passage, and a rigid frame which fixedly supports the seal. The frame includes a central portion, mounted around the body to be driven by the body, and a peripheral part, folded towards the axis, partially crushing the seal. The seal is held in place on the frame by being pushed, radially to the axis, directly against the body of the thermostatic element under the effect of crushing the seal by the peripheral portion of the frame.

Disclosed is a throttle including: an upstream and downstream flanges; a flexible sheath that extends therebetween; a plurality of sets of shape memory alloy wires, extending between the flanges, that are (i) circumferentially aligned about the flanges; and (ii) exterior to the flexible sheath; and (iii) configured to contact an outer boundary of the flexible sheath, wherein: a first set of the plurality of sets of shape memory alloy wires form a first profile when exposed to a first temperature, causing the flexible sheath to form the first profile having a first internal diameter; and a second set of the plurality of sets of shape memory alloy wires form a second profile when exposed to a second temperature that is lower than the first temperature, causing the flexible sheath to form the second profile having a second internal diameter that is smaller than the first internal diameter.