Abstract: A unitary removable barrier for installation in a cylindrical water line to selectively block the water line to passage of water therethrough. The unitary removable barrier is composed of a single piece body having at least one cylindrical section sized to receive upstream and downstream pipes of the water line. A planar disk is molded with the cylindrical section and is of a circular circumference which completely blocks the water line but which is selectively removable from the cylindrical section thus removing the barrier to the passage of water through the line. Removal of the barrier is facilitated through the use of a piercing device and pull tab which can be actuated from a position outside of the waste line.

Abstract: A flush valve device 20 of a flush toilet includes a flush valve body 22 connected to a city water source and an operation unit 50. The operation unit 50 has an operation button 63 and a flexible inner cable 71, which is part of a cable mechanism 70. The inner cable 71 is extended from a rear side to a lateral side of a toilet body 12 and is linked with the operation button 63. In response to a press of the operation button 63, the flush valve body 22 opens to make a supply of washing water flown into the toilet body 12. This arrangement desirably increases the degree of freedom in positioning of the flush valve body and the operation unit, enhances the operability of the flush valve device 20, and effectively facilitates installation of the flush valve device 20.

Abstract: This invention relates to a hydraulic valve (10) and an interconnected hydraulic valve system, (10, 12). Two coaxially disposed pipes (14, 20) are positioned vertically to form an annular space (11) there between. A flange (22) provided with a external seal (23) cooperates with an end of the outer pipe (20). Openings (18) formed in the inner pipe (14) regulates water flow. The inner pipe is also sealingly interconnected with a main supply pipe (12) for entry of water through opening (16). An electrical motorized hoist (26) provides for activation and operation of the hydraulic valve system.

Abstract: A valve assembly for controlling the flow of fluid through a tube by pinching the tube to prevent fluid flow. The valve assembly includes a valve that receives the tube in a passage between a plunger and a bar. A spring urges the plunger toward the bar to pinch the tube closed. The bar focuses the pinching force of the plunger to reduce the pinching force required to prevent fluid flow. The valve assembly also includes a caliper for opening, locking open and closing the valve and that is attached to the valve with a cable. To open and close the valve, a main lever and lock lever, respectively are rotated in the same direction.

Abstract: A system 12 and method are provided for controlling delivery of fluid product between one vessel, such as a portable vessel 32 mounted on a vehicle 30, and another vessel, with the one vessel including a manually operated product valve 14 for controlling delivery of product. The system includes an actuator 16, a cam over lever 32, closure arm 36, and an actuator 10 with an electromagnet 58. The system may include a radio transmitter 50 and a vehicle mounted receiver 52.

Abstract: A valve comprising valve members which are biased toward a closed or open position is provided with a flexible cable which is used to reposition the valve members by moving the cable so as to overcome the force generated by the biasing means. The cable may be moved by an appropriate actuator, such as a motor. When desired, the cable is moved to its original position allowing the biasing means to return the valve members to their original position. In one embodiment, the cable is slidably constrained within a flexible, non-compressible sleeve. The valve members according to one embodiment ensure complete closure of a resilient tube passing therethrough without the need to radially align the valve members.

Abstract: An access valve (2) for a laparoscopic device or a intraluminal deployment device has a cylindrical diaphragm (8) with a longitudinal aperture (3), a flexible member (14) is passed circumferentially around the cylindrical diaphragm and an extension arrangement to pull the flexible member radially and/or tangentially to constrict the diaphragm to at least partially close off the longitudinal aperture. A rotary actuator may be used (12).

Abstract: A control device for an oil drain valve can control opening and closing of the oil drain valve at a far end. The oil drain valve includes a base and a control element connected to the base. The control device further includes a guide element and a driving element. The guide element at an end thereof is joined to the base and the driving element passes through the guide element. An end of the driving element is joined to the control element and another end of the driving element can be pulled from the far end to rotate the control element for controlling opening and closing.

Abstract: A memory wire actuated control valve comprises a memory wire actuator operatively coupled to a fluid control valve. The memory wire actuator includes a housing having an interior cavity enclosing an electrical platform assembly, an activation wire and a transfer mechanism. The activation wire is formed of a shape memory alloy, often called a “memory wire” or “muscle wire.” The activation wire is electrically connected to the electrical platform and mechanically coupled to the transfer mechanism. The actuator is activated by conducting electrical current through the activation wire causing the wire to contract thereby actuating the transfer mechanism. The transfer mechanism is operable coupled to the fluid control valve such that actuated and de-actuating the transfer mechanism open and closes the valve.

Abstract: A spring loaded valve member with a poppet on one end is disposed in a fuel tank with the inlet end connected to the filler tube. The valve member has a spool valve attached to the poppet. The poppet is opened by fuel discharging from a refueling nozzle and the valve member movement limited by a float operated latch such that fuel flows through the spool valve ports. Upon the float rising in the tank, the latch is released permitting the force of the flowing fuel to further move the valve member to close the spool valve.

Abstract: A valve assembly for controlling the flow of fluid through a tube by pinching the tube to prevent fluid flow. The valve assembly includes a valve that receives the tube in a passage between a plunger and a bar. A spring urges the plunger toward the bar to pinch the tube closed. The bar focuses the pinching force of the plunger to reduce the pinching force required to prevent fluid flow. The valve assembly also includes a caliper for opening, locking open and closing the valve and that is attached to the valve with a cable. To open and close the valve, a main lever and lock lever, respectively are rotated in the same direction.

Abstract: A latched, spring loaded valve having a water sensor and an activation mechanism shuts off water supply, when a water leak is detected, to specific application as cloths washing machines, dishwashing machines, sinks, toilets, and refrigerators equipped with ice makers. The shutoff valve system with leak detector has a sealing member movable with a valve body between an open position and a closed position wherein the sealing member blocks fluid flow.

Abstract: The invention provides an air mixing damper apparatus and an air conditioning apparatus for vehicles where the temperature of discharged air can be changed linearly with respect to the operation of an actuator lever. A rotation speed adjustment mechanism is disposed between a plate door type air mixing damper 43A for opening and closing an air introducing face 42a of a heater core 42, and a rotation type lever 48 for an actuator 47 driving the air mixing damper 43A, for adjusting the rotation speed at an initial opening stage X and a final opening stage Z of the air mixing damper 43A, to a speed lower than at an intermediate opening stage Y.

Abstract: An improved air outflow valve having a cable assembly that enhances its reliability. In a particular embodiment, the cable assembly couples the diaphragm to the control arm of the air outflow valve and includes a retainer and a cable. The retainer has a cavity to slidingly accept the end of the cable when the valve is operated in a manual mode. Thus, bending or kinking of the cable is substantially inhibited or prevented, resulting in improved valve reliability. The improved cable assembly also is available as a retrofit kit and a method of retrofitting an existing valve is also provided.

Abstract: A valve, e.g. of an aircraft drinking water system, has a rotatable adjusting shaft to adjust the valve between its open end position and its closed end position. A mechanism for operating the adjusting shaft includes a push-pull cable connected to a toothed rack that engages a toothed gear element secured to the adjusting shaft. The mechanism converts the push-pull linear motion of the cable to a reciprocating rotational motion of the adjusting shaft. End sections of the rack and the gear element have no gear teeth, so the rack automatically disengages from the gear element once the end position of the valve is reached. The disengaged rack can slide beyond the stopped end position of the gear element, and re-engages with the gear element once it slides back into the operating range. The valve cannot be forced beyond its end positions, despite excessive input motion of the cable.

Abstract: A throttle plate control system mounts a rotational position sensor directly to a throttle body structure to take advantage of vibration isolation provided for the throttle body structure. The configuration is compact and connects the throttle plate of the throttle body structure in force transmitting relation with a rotational position sensor by using a cam structure. A cam member is coupled to a movable portion of a rotational position sensor and a cam follower is rigidly attached to the throttle plate shaft within the throttle body structure. By shaping the cam surface of the cam member, a nonlinear relationship can be specifically predetermined in order to maximize the operation of a throttle control system.

Abstract: A remote valve actuator for transmitting rotational motion to a remotely located valve is provided. The remote valve actuator includes a drive wheel, a driven wheel, and a drive cable entrained about the drive wheel and the driven wheel so that rotational motion of the drive wheel translates the drive cable and drives the driven wheel to effect actuation of the valve. The remote valve actuator includes a coupler for connecting the two ends of the cable to one another. The coupler is configured to connect the cable ends to one another without creating stress points proximate the cable ends as the coupler rides over the drive and driven wheels.

Abstract: A modular well for a wastewater lift station includes multiple well sections. Each of the well sections has at least one mating feature allowing it to be joined to at least one other well section and to form a liquid tight seal. The well is formed by vertically mating the well sections together. One of the well sections has an inlet opening, and the same or a different well section has at least one outlet opening.

Abstract: A valve assembly for controlling the flow of fluid through a tube by pinching the tube to prevent fluid flow. The valve assembly includes a valve that receives the tube in a passage between a plunger and a bar. A spring urges the plunger toward the bar to pinch the tube closed. The bar focuses the pinching force of the plunger to reduce the pinching force required to prevent fluid flow. The valve assembly also includes a caliper for opening, locking open and closing the valve and that is attached to the valve with a cable. To open and close the valve, a main lever and lock lever, respectively are rotated in the same direction.

Abstract: A unitary removable barrier for installation in a cylindrical water line to selectively block the water line to passage of water therethrough. The unitary removable barrier is composed of a single piece body having at least one cylindrical section sized to receive upstream and downstream pipes of the water line. A planar disk is molded with the cylindrical section and is of a circular circumference which completely blocks the water line but which is selectively removable from the cylindrical section thus removing the barrier to the passage of water through the line. Removal of the barrier is facilitated through the use of a piercing device and pull tab which can be actuated from a position outside of the waste line.

Abstract: An access valve (2) for a laparoscopic device or a intraluminal deployment device has a cylindrical diaphragm (8) with a longitudinal aperture (3), a flexible member (14) is passed circumferentially around the cylindrical diaphragm and an extension arrangement to pull the flexible member radially and/or tangentially to constrict the diaphragm to at least partially close off the longitudinal aperture. A rotary actuator may be used (12).

Abstract: An improved air outflow valve having a cable assembly that enhances its reliability. In a particular embodiment, the cable assembly couples the diaphragm to the control arm of the air outflow valve and includes a retainer and a cable. The retainer has a cavity to slidingly accept the end of the cable when the valve is operated in a manual mode. Thus, bending or kinking of the cable is substantially inhibited or prevented, resulting in improved valve reliability. The improved cable assembly also is available as a retrofit kit and a method of retrofitting an existing valve is also provided.

Abstract: A vent assembly that can be concealed when in a closed configuration is provided in one embodiment, the vent assembly comprises a base member and a guide member secured to a mounting surface of a duct or other passageway. A flexible rod is fixedly attached to the base member and slideably disposed within a channel defined by the guide member. A panel is disposed on or around the flexible rod and between the base and guide members. An actuator is able to deform the rod such that the panel moves away from the terminal opening of the duct, thereby opening the vent. A fluid distribution system incorporating vent assemblies in accordance with the present invention is also provided.

Abstract: An apparatus for automatically shutting off a water supply to a leaking water heater includes a water-collecting tray adapted to be positioned beneath a water heater, and a float mechanism removably attachable to the tray. The float mechanism has a float adapted to reside within the tray. An arm extends from the float, and terminates in a trigger extremity located outside the tray. The trigger extremity is positioned to push upwardly upon a holding block that secures an extremity of a coil spring. The holding block also secures a tether that extends to an operating lever of a water shut-off valve. When the float rises in the tank, it causes the trigger extremity to release the coil spring in tensioned state from the holding block. Such action pulls the operating lever downwardly, causing shut-off of the water supply.

Abstract: A hydraulic valve having a main body in which is formed a pressurized-fluid inlet opening; a first conduit communicating hydraulically with a user device; a second conduit communicating hydraulically with the user device, and at least one spool for regulating pressurized fluid flow to and from the user device; the spool having a longitudinal axis, and the position of the spool being regulated by an actuating device; the hydraulic valve being characterized in that the actuating device has a guide member for preventing the spool from rotating about the axis; the actuating device also having a cable, e.g. a Bowden-type cable, for moving the spool in two opposite directions defined by the longitudinal axis.

Abstract: The invention relates to a portable handheld work apparatus having a movable control element (1) for influencing the operation of the work apparatus. The work apparatus includes an actuable positioning element (2) and a Bowden cable (3) connecting the positioning element (2) and the control element (1). The Bowden cable (3) includes a Bowden cable casing (4) and a wire (5) guided in the casing (4) so as to be axially movable. The Bowden cable casing (4) is held at its two ends (6, 7) in support locations (8, 9) with respective longitudinal stops (10, 11). The support locations (8, 9) are fixed with respect to the apparatus. An adjusting device (12) is provided between the ends (6, 7) of the Bowden cable sleeve (4) and the corresponding support locations (8, 9). The adjusting device (12) has a holding element (14) which holds the end (6, 7) and is fixed to the support location. The holding element (14) can be loosened to axially displace the ends (6, 7).

Abstract: A system for locking a chain-operated valve to prevent unauthorized and inadvertent operation of the valve. The system includes an elongated tube for receiving both lengths of a chain encircling the valve and a locking arrangement positioned at one end of the tube. Both lengths of the chain extending from the valve enter one end of the tube and exit the opposite end of the tube adjacent the lock arrangement. The lock arrangement includes a bracket secured to the tube and extending outwardly from the tube. The bracket preferably includes apertures for receiving a lockout hasp extending through the chain links and the bracket. A conventional padlock or other security locking device may then extend through the hasp to prevent opening of the hasp.

Abstract: An inflation valve has a valve housing having an inner wall, a cylindrical inner chamber terminating in a gas outlet, and a gas inlet bore providing fluid communication between the inner chamber and a pressurized gas source. A piston enclosed in the inner chamber has at one end a head directed toward the gas outlet and at the opposite end a valve actuator connector. The piston further has a gas inlet seal, positioned between the head and the actuator connector, that releasably seals the gas inlet bore from the inner chamber when the piston is in a normal, non-actuated position. A valve actuator connected to the actuator connector operates to pull the piston, thereby moving the gas inlet seal away from the gas inlet bore and putting the inner chamber in fluid communication with the gas inlet bore and pressurized gas source.

Abstract: This invention relates to a hydraulic valve (10) and an interconnected hydraulic valve system, (10, 12). Two coaxially disposed pipes (14, 20) are positioned vertically to form an annular space (11) there between. A flange (22) provided with a external seal (23) cooperates with an end of the outer pipe (20). Openings (18) formed in the inner pipe (14) regulates water flow. The inner pipe is also sealingly interconnected with a main supply pipe (12) for entry of water through opening (16). An electrical motorized hoist (26) provides for activation and operation of the hydraulic valve system.

Abstract: A life raft inflation valve has a body with a bore extending therethrough. A threaded gas intake fitting is on the body and communicates with the bore. An elongated valve spool is slidably mounted in the bore and normally closes the gas intake fitting. A lanyard is operatively connected within the lanyard fitting to the spool for longitudinally moving the spool in the bore to open the gas intake fitting. A lanyard fitting has a rounded or flared shoulder at its discharge end to facilitate the longitudinal movement of the spool by pulling on the lanyard even if it is pulled outwardly at an angle to the center axis of the bore.

Abstract: A vehicle waste water valve in the form of a gate valve having a retractable gate movable in response to a movable gate which is vertically movably by way of cable pull assembly. The cable pull assembly includes an outer jacket sheath with a solid cable inside the sheath which is axially movable, and has its free end connected to the gate stem. The cable pull sheath is held in an axial manner by way of its connection within a termination block, wherein a threaded member is threaded into the termination block and into the cable pull sheath, where the threaded member extends along an axial length of the cable pull sheath. The termination block in turn can be threadably attached to a cable pull body, which in turn is latchably attached to the valve body.

Abstract: A push-pull coupling for coupling a valve spool to a coaxial cable includes a lost-motion connection which operatively disconnects the coaxial cable from the valve spool when in a first mode and positively connects the coaxial cable to the valve spool when in a second mode. Switching from the first mode to the second mode is accomplished by energizing an electromagnetic actuator within the coupling which locks components to one another to transmit push and pull motion. When the actuator is deenergized, the components move relative to one another, disconnecting the coaxial cable from the valve spool. The push-pull coupling is used in hydraulic machines to prevent operation of hydraulic cylinders when a driver is not seated on the machine so as to close a seat operated switch which energizes the electromagnetic actuator.

Abstract: A fluid diaphragm valve and interconnected pilot valve apparatus for control flow of fluid discharge from a pressurized fluid distribution system. The apparatus has a primary valve with an inlet adapted to receive fluid under pressure, and an outlet adapted to discharge fluid to an outlet conduit. A diaphragm chamber is provided in the primary valve which is responsive to fluid pressure controlled by a pilot diaphragm valve. Upon release of fluid pressure in the pilot diaphragm valve, the primary valve allows passage of fluid to the outlet conduit. Bleed fluid from the pilot valve is also discharged into the outlet conduit and is thus saved for use. Upon closure of the pilot valve, a bleed port in the primary diaphragm in the primary valve allows repressurization and seating of the primary diaphragm, thus terminating fluid flow through the primary valve.

Abstract: The invention relates to a portable handheld work apparatus having a movable control element (1) for influencing the operation of the work apparatus. The work apparatus includes an actuable positioning element (2) and a Bowden cable (3) connecting the positioning element (2) and the control element (1). The Bowden cable (3) includes a Bowden cable casing (4) and a wire (5) guided in the casing (4) so as to be axially movable. The Bowden cable casing (4) is held at its two ends (6, 7) in support locations (8, 9) with respective longitudinal stops (10, 11). The support locations (8, 9) are fixed with respect to the apparatus. An adjusting device (12) is provided between the ends (6, 7) of the Bowden cable sleeve (4) and the corresponding support locations (8, 9). The adjusting device (12) has a holding element (14) which holds the end (6, 7) and is fixed to the support location. The holding element (14) can be loosened to axially displace the ends (6, 7).

Abstract: The shutdown valve design is comprised of a housing in which a gate slides from an open to a closed position in a guillotine type motion. At one end of the housing is an unobstructed bore, which is the air through flow passage, and which has a longitudinal axis perpendicular to the guillotine movement of the gate and the main body of the housing. In the closed position, the gate completely obstructs the air flow through passage. Two compression springs are installed inside the housing so that they push against two extensions on the circumference of the gate, and which force the gate into the closed position if it is not held in the open position by a latching mechanism. The gate is pulled into the open position, against the spring force, by a flexible member (example: steel cable, wire, chain) that is attached to the gate at one end, and to a spool within the housing or alternatively a remote actuator outside the housing, at the other end.

Abstract: A throttle shaft assembly includes throttle shaft with a cam and shaft portion the shaft portion configured to be inserted in the throttle body, a throttle return spring that is coiled around the throttle shaft with two ends one end engaged to the cam portion and the other end engaged to a spring support on the throttle body, and a throttle spring cover that substantially surrounds the throttle return spring and is slideably mounted on the throttle shaft. The throttle return spring can be preloaded and restrained at both ends on the throttle shaft assembly thus preventing the preload from being released as the throttle shaft assembly is inserted into the throttle body. One end of the spring can be released to engage a portion of the throttle body thus reducing a portion of the preload. The cover had several flexible fingers that engage a groove in the throttle shaft and prevent the cover from sliding off thus exposing the spring.

Abstract: A safety system for transfer of pressurized fluid between a cargo tank vehicle and a storage container. A pump or compressor on the cargo vehicle is in fluid communication with the cargo tank, the pump being powered by the vehicle. A pump valve on the vehicle between the tank and the vehicle pump will interrupt fluid passing into the pump. A delivery hose having a first end in fluid communication with the pump and a second end in fluid communication with the storage container transfers the pressurized fluid between the pump and storage container. A first pressure sensor senses pressurized fluid in the delivery hose near the hose second end. A first switch activated by the first pressure sensor closes the pump valve and interrupts the fluid flow. A second pressure sensor senses pressure near the hose first end. A second switch activated by pressure from the second pressure sensor closes the pump valve and interrupts fluid flow.

Abstract: An arrangement in a circulation lubrication system, the arrangement including a control mechanism for controlling the flow of lubricating oil supplied to a part to be lubricated. The control mechanism includes two interfitting tubes with apertures in walls of both of the tubes. The apertures are arranged to provide a flow orifice for the lubricating oil, and the tubes are arranged to be rotatable around their common symmetry axis to the effect that an angular position of the tubes in relation to one another changes and the apertures in the tube walls shift in a circumferential direction of the tubes by their relation to one another, thereby a change in a size of the flow orifice is provided by the apertures. The rotating movements of the tubes are produced by different transmissions.

Abstract: A rotary valve actuator for actuating a valve pivotally disposed in a housing and movable between first and second positions. The actuator includes an actuator member coupled to the valve, a resilient arm coupled to one of the housing or the actuator member, and a wall member protruding from the one of the housing or the actuator member to which the resilient arm is not coupled. An arm tab protruding from the resilient arm is aligned with and preferably protrudes through an opening of the wall member when the valve is in the first position, and an arm engagement member of the resilient arm is engaged with a wall engagement portion of the wall member when the valve is in the first position. The resilient arm is flexible away from the wall member to disengage the arm engagement member from the wall engagement portion. The actuator is operable remotely by one or more flexible straps coupled to the actuator member.

Abstract: Actuation means for actuating a structural part in an automobile, particuarly a flap for a fan, wherein the part is pivotally supported about an axis, comprising a pull wire a power transfer component connected to the pull wire and the structural part, and a damper coupled to the power transfer component or the structural part, with the power transfer component including a resilient portion such that upon exerting tension on the power transfer component the resilient portion is deformed until a force is transferred to the structural part or the damper element, respectively.

Abstract: The present invention relates to an apparatus for controlling the supply of intake air to a vehicle, incorporating a control unit which is arranged to indicate and initiate supply of intake air to at least three intake air regions in the vehicle which usually comprise a defroster region, a panel region and a floor region. The apparatus incorporates a control arrangement which is designed, depending on the setting of the control unit, to control dampers (15 A-C) which are situated in ducts which lead to the intake air regions. The control arrangement incorporates a cam arrangement designed to act upon an arm (14 A-C), arranged for each inlet air region, for variable setting of at least one of the dampers (15 A-C) between an open and a closed position.

Abstract: A valve assembly that is composed of simple parts is described that is used to provide a sump pit water control device that operates due to the level of water within the sump and not by electricity. This valve assembly includes an adapter in the form of a tee-pipe that is capped at one end and attached at the other end to a drain tile pipe entering the sump. The third and remaining end of the tee-pipe is open but has a valve disposed therein that is operable between two positions. A float member is attached to the valve member by way of a cable so that as the water level rises in the sump, the valve member is drawn closed, and when the water level is at a normal or low level, the valve member is biased into an open position by a spring.

Abstract: A leak preventing detent apparatus for a toilet flush valve assembly in which an inlet valve (13) to a toilet flush tank (11) is controlled by an inlet valve control device (14, 14a, 16, 17), and an outlet flush valve (21) is controlled by a flush lever (919). The detent apparatus includes a follower member (28) that is moved in response to movement of the flush lever at the initiation of a flush cycle, and a detent (25) that is operative to prevent opening of an inlet valve (26) except when a flush cycle is deliberately initiated. In a preferred form of the invention, a primary inlet valve (26) is provided upstream of the usual inlet valve (13) that is controlled by an inlet valve control device, such as a float (14, 14a, 16, 17), and the detent apparatus effectively cooperates with the primary inlet valve to maintain it closed unless a flush cycle is deliberately initiated. The detent member may be hydraulically damped (37-42) to provide a timed delay of its movement into the inlet valve closing position.

Abstract: A system for the remote operation of a flush valve employs a foot-pedal that is connected by a cable to an integrated drive bar, which is in turn disposed to engage the plunger of a standard flush valve actuator. Force on the pedal causes the drive bar to depress the plunger, thereby extending its tail portion into operative contact with the actuating element with the automatic valve.

Abstract: An actuator for a speed control device is provided. The actuator includes a motor, first and second planetary gear assemblies, and an output shaft. The motor drives a shaft on which a first pinion is mounted. The first pinion, in combination with an internal gear, causes a first planetary gear to rotate which in turn causes rotation in a first carrier supporting the first planetary gear. Rotation of the first carrier causes a second pinion disposed on an opposite side of the first carrier to rotate. The second pinion, in combination with the above-mentioned internal gear, causes a second planetary gear to rotate which in turn causes rotation in a second carrier supporting the second planetary gear. Rotation of the second carrier is transmitted to the output shaft directly or through an intermediate clutch.

Abstract: A rotary valve actuator with movable actuator linkage maintained in a constant "pull-pull" tension, includes a sliding canister, rotatable lever, and a return spring substantially aligned in-line with each other. The linear motion of the canister in response to an expanding and contracting pressurized bladder is converted through chain linkage into rotary lever motion. The return spring is connected through respective chain linkage to the lever so the pulling tension of the spring/lever linkage rotates the lever and maintains tension on both chain linkages. Adjustable travel stops are provided. In an alternate embodiment the return spring chain linkage is configured at right angles to the linear movement of the canister. A double acting rotary valve actuator with pressurized bladders on opposite sides of a rotatable lever. One bladder is oval shaped.

Abstract: A rotary temperature control system for use in controlling the temperature of a blended air stream supplied to a vehicle passenger compartment is combined with a rotary ventilation mode control system in a common housing. The ventilation mode and temperature control systems include manually operable rotary control knobs operatively connected through pull-pull cable systems to gears in the housing that operate a temperature blend door controlling the output temperature of a blended air stream and one or more vent dampers controlling the ventilation mode of the system. A drive connection in the housing includes irregularly shaped gears for producing a predetermined generally non-linear relationship between rotary movement of an input control member and rotary movement of the temperature blend door to produce a generally linear relationship between the rotary movement of the temperature control knob and the temperature of the air stream throughout a major portion of the rotary movement of the control knob.

Abstract: An emergency discharge control system for use with a cargo tank motor vehicle and a primary storage tank for remotely terminating the flow of product from the cargo tank of the cargo tank motor vehicle and the storage tank in an emergency situation is provided. The system includes a cylinder having a piston rod connected to a cable assembly of the cargo tank motor vehicle and a cylinder having a piston rod connected to a cable assembly of the primary storage tank for actuating the respective cable assemblies and closing the vapor valves and the liquid valves of the cargo tank and the primary storage tank. The piston rod is extended by passing pressurized fluid into the cylinder. A valve is interposed between the cylinder and a source of the pressurized fluid for controlling the flow of the pressurized fluid to the cylinder.

Abstract: A valve assembly for a tank having an opening. The valve assembly includes a body assembly mounted to the tank opening. The body assembly has a valve seat and a valve throughbore. A valve disk coacts with the valve seat for opening and closing the valve throughbore. A locking lug is attached to the valve disk. The locking lug has a locking portion for receiving a safety lock pin mounted in the body assembly. The safety lock pin has a locked position and an unlocked position. The safety lock pin is received in the locking portion of the locking lug to lock the valve disk in the locked position, and the safety lock pin is withdrawn from the locking portion in the unlocked position. A valve operator is in releasable contact with the valve disk. The valve operator forces the valve disk away from the valve seat to open the valve throughbore. The body assembly includes a first member and a second member and the lock pin is mounted in the first member.

Abstract: A safety system for transfer of pressurized fluid between a cargo tank vehicle and a storage container. A pump or compressor on the cargo vehicle is in fluid communication with the cargo tank, the pump being powered by the vehicle. A pump valve on the vehicle between the tank and the vehicle pump will interrupt fluid passing into the pump. A delivery hose having a first end in fluid communication with the pump and a second end in fluid communication with the storage container transfers the pressurized fluid between the pump and storage container. A first pressure sensor senses pressurized fluid in the delivery hose near the hose second end. A first switch activated by the first pressure sensor closes the pump valve and interrupts the fluid flow. A second pressure sensor senses pressure near the hose first end. A second switch activated by pressure from the second pressure sensor closes the pump valve and interrupts fluid flow.