Abstract: A modulating flow control valve comprising a central valve body with a tubular body member detachably supported at an inlet port thereof and providing a valve seat; a plug member is detachably supported in an access bore of the central valve body; and a valve stem, biased toward the valve seat, is extensive through a bore in the plug member. A valve seating member is supportable by a spring stop portion of the valve stem, and with spring biasing of the valve stem, is urged in restricting or sealing relationship with the valve seat, the valve seating member having a valve seating portion of a selected diameter to permit a predetermined maximum flow rate through the valve seat. A stem modulator assembly is provided to move the valve stem in response to a characterizing linkage assembly. Valve setting is provided by an indicia plate and an indicator pin supported by the valve stem.

Abstract: A cam and cam follower mechanism for connecting a vehicle accelerator pedal to the throttle body throttle valve for varying rates of movement of the throttle valve, including a washer-like cam operatively connected to the vehicle accelerator pedal and having an internal cam surface adopted to be engaged by a number of pins fixed to a throttle lever at different radial distances from the lever and throttle valve pivot, the pins each constituting fulcrums about which the throttle lever and throttle valve are forced to pivot one at a time as the accelerator pedal is moved angularly between closed and open throttle valve positions, the pins shifting as fulcrums upon continued movement of the accelerator pedal to provide initially a slow rate of opening of the throttle valve in response to a large angular movement of the accelerator pedal followed by a faster rate of movement of the throttle valve more nearly in proportion to the angular movement of the accelerator pedal.

Abstract: For a shut-off device comprising a tubular housing to be built into a pipe and a rotary valve for which a driving shaft penetrating the housing and a seat in the housing are provided, a ring wheel (4) with movable bearings (9) being disposed on the driving shaft (10) and the valve flap (3) being guided in the ring wheel (4) and connected with the driving shaft by a gearing (22, 23) which locks when the valve flap (3) swivels in and serves to press the valve flap (3) onto its seat (32), the invention provides for the following: when the driving shaft (10) is rotated back, the gearing (22, 23) lifts the valve flap (3) axially off the seat (32) until the valve flap (3) is supported on the ring wheel (4), and the gearing (22, 23) constitutes the connection between the valve flap (3) and the driving shaft, the valve flap (3) being supported on the ring wheel (4).

Abstract: A pressure modulator valve device having adjacent modulator valves, each including a sleeve, a plunger slidably fitted in the sleeve and a cam, the cams being connected to each other by a connecting member, a single supporting member for operatively supporting each of the cams and which is in contact with each sleeve so as to cover a front surface of each modulator valve, and a spring for biasing each sleeve in the direction of the single supporting member.

Abstract: A pressure modulator valve device having adjacent modulator valves, each including a sleeve, a plunger slidably fitted in the sleeve and a cam, the cams being connected to each other by a connecting member, a single supporting member for operatively supporting each of the cams and which is in contact with each sleeve so as to cover a front surface of each modulator valve, and a spring for biasing each sleeve in the direction of the single supporting member.

Abstract: A clamp for regulating the flow of parenteral solutions is disclosed which includes a clamp body having a channel for accommodating a length of administration set tubing so that a portion of the tubing is compressed to a closed position while at least one side of the tubing is left uncompressed to provide a passageway for the solution. A cam member or platen is moveably mounted on the clamp body for applying an adjustable compressive force against the uncompressed side of the tubing to vary the area of the passageway and the rate of flow of the solution.

Abstract: A receptacle for accumulating spilled liquids about the inlet pipe of a storage tank is slidably fitted within a stationary housing. The receptacle includes an outlet spout connected to the inlet pipe. A center pipe fits within the spout for connection to a supply line. Liquid flows from the supply line through the center pipe into the tank inlet pipe. Spillage is collected in the receptacle and, if desired, permitted to flow into the tank via valved passages in the receptacle bottom.

Abstract: A random access rotary pinch valve for controlling fluid flow through a plurality of fluid conduits. The valve is adapted to receive and retain the fluid conduits and includes, for each of the conduits, a toggle mechanism comprising a piston and a toggle. The piston and toggle can be latched to pinch the associated fluid conduit to a non-conducting state or may be latched with the conduit in a fluid conducting state. An actuator arm is selectively positioned over the toggle mechanisms and is displaced so as to actuate the toggles from one state to another, thus changing the state of fluid conduction through the associated flexible conduit. In the embodiment disclosed herein, the fluid conduits are arranged about the periphery of an annular valve body and the actuator arm is pivoted by means of the stepper motor over the toggle mechanisms.

Abstract: A pneumatic control device for controlling a pneumatic system operable in a plurality of modes, including: push levers corresponding to the operation modes and movable in a first direction to its operated position, the push levers being spaced from each other in a second direction perpendicular to the first direction; changeover switches operated by the push levers for selectively establishing the operation modes, each switch including an actuator member movable within the housing in the second direction between its first and second positions; and a plurality of plate cams superposed on each other and disposed so as to extend in the second direction, in operative association with the push levers so as to cause relative longitudinal movements of the cams upon movements of the push levers to the operated position, each cam engaging the operating portion of at least one of the switches, so that the operating portion of each switch engaging the cam is moved in the second direction together with the cam upon the m

Abstract: A pair of flapper valves are mounted in parallel to control the flow of a fluid into a reservoir. The flapper valves are opened by a first rotatable cam which is rotated through one or more complete revolutions when a float control switch in the reservoir is opened thereby indicating a drop in the level of fluid in the reservoir. Each complete revolution of the first cam actuates an impulse switch for a short duration. The impulse switch energizes a low speed memory motor and increments the output shaft of the motor. Each increment corresponds to one complete revolution of the first cam and, therefore, one unit of a fixed quantity of fluid passing through the valves. The output shaft of the memory motor rotates a second adjustable cam that controls the actuation of a switch which in turn controls a dispenser for dispensing a chemical additive into the fluid added to the reservoir.

Abstract: A valve for connection in a pipeline or duct for the conveyance of a fluent medium includes a valve plate which is movable laterally relative to the duct between respective open and closed positions, with resilient sealing means provided on or in association with the valve plate. The sealing means is provided on an axially movable member to engage one face of the valve plate, while the opposed sealing means is carried by a fixed end member so that the valve plate is clamped between them. Either of the sealing means may be omitted. A ram actuates the valve plate by rotation of a shaft while simultaneously rotating a control ring forming part of the control mechanism which moves the member axially to clamp and release the valve plate.

Abstract: Ball drive mechanism includes a ball-like member on an eccentric output shaft of a rotary force motor which is received in a transversely extending cylindrical socket on a valve member. The outer diameter of the ball-like member is substantially the same as the inner diameter of the cylindrical socket to provide line contact therebetween at some distance radially offset from the longitudinal axis of the valve member which is at least as great as the eccentric offset, whereby the rotary output of the rotary force motor is translated into both linear and rotary movement of the valve member.

Abstract: Structure and method are disclosed for providing timed valving in which a nutating plate having an opening defined therethrough moves relative to at least one other nominally static plate having a complementary opening defined therethrough, the nutating plate at one portion of the nutating travel bringing the opening defined therethrough in alignment with the complementary static opening and in another portion of the nutating movement positioning such opening therethrough in a spaced, sealing relationship relative to the complementary static opening. Either the nutating or nominally static plate may be utilized in pairs such that a sandwiched relationship between one type of plate and the other exists.

Abstract: An adjustable damper or air flow control valve for clean room systems, laminar flow benches, filter diffusers, fan/filter units and the like includes a fixed plate defining a plurality of rows of apertures. The plate is fabricated from an aluminum-clad fiberboard. A movable, foam plate is positioned on the fixed plate. The foam plate is fabricated from a cross linked polyethylene foam and also defines a plurality of apertures. The foam conforms to the fiberboard plate and prevents cross flow between adjacent apertures. Relative movement between the two plates moves the apertures into and out of alignment to control the flow of air to a filter.

Abstract: A device for controlling the flow of a liquid medium passed therethrough comprises a cup-shaped plastic body member having a bottom end wall with a bore opening and a side wall forming with the bottom end wall a chamber through which the liquid medium is passed. A plastic stem member is journaled in the bore opening of the body member to rotatably mount the stem member thereon. The stem member overlies and closes off the open top end of the chamber and has a flow control element located within the chamber for controlling the flow rate of the liquid medium therethrough, as determined by the selected relative rotative position of the member. The stem member is snap-locked in assembled relation with the body member, and the two members are provided with actuating arm means including a radially outward projecting lever arm on the stem member for rotating the members relative to one another.

Abstract: An in-line accessory faucet having a separable plastic air-gap module for use with a reverse osmosis unit, the faucet being installable without the module when used without a reverse osmosis unit. The air-gap module slides onto the faucet pipe conduit below the housing, and has brine flow passages and a channel formed in the top surface and closed off by the overlying flat surface of a base member between the housing and air-gap module. A valve seat in the housing connects to both the housing and the pipe conduit. The valving in the housing has an in-line configuration, with the faucet inlet and outlet being on a common central axis. A mounting nut with an expandable - collapsible portion and peripheral side channels for brine tubes permits mounting of the faucet solely from above the sink lip. A handle with two lower camming surfaces is operated only downwardly to obtain both pressure - controlled flow or locked-on flow.

Abstract: The improved positive pullback synchro valve actuator of the present invention comprises a universal cam assembly having a frame supporting a deformable cam strip which is operatively connected to a plurality of contour adjustment screws and which may be adjusted to form the desired shape of the cam. The cam strip is further operatively connected to a plunger which is disposed for movement transversely of the cam strip and in the longitudinal direction. The apparatus is positive in its pullback, as the plunger is linked to the universal cam assembly, such that when the operator turns the universal cam assembly, there is assurance that the associated valve is closed. In some applications, the plunger may be connected to a shaft yoke which is disposed transversely of the plunger for converting the longitudinal movement into limited reciprocal rotational movement. In these embodiments, the shaft yoke engages a valve shaft which is urged by such yoke into limited reciprocal rotational movement.

Abstract: Disclosed is a refrigerator comprising a freezing compartment and a refrigerating compartment in which the freezing compartment can be used as a refrigerating compartment. The two compartments are in close proximity. Means are provided in a cooling-air passage to supply cooling air generated from an evaporator into both of the compartments or selectively only into one compartment.

Abstract: A pressure modulator valve device having adjacent modulator valves, each including a sleeve, a plunger slidably fitted in the sleeve and a cam, the cams being connected to each other by a connecting member, a single supporting member for operatively supporting each of the cams and which is in contact with each sleeve so as to cover a front surface of each modulator valve, and a spring for biasing each sleeve in the direction of the single supporting member.

Abstract: Diaphragm type control valve comprising an inert material coated and profiled diaphragm motivated against a shaped valve orifice by a mechanical amplifying mechanism following the command signal of an external controlling device and wherein the combination--profiled diaphragm and shaped valve orifice--is capable of forming an annular flow passage having a smooth entrance and a sharply expanding exit portion thereby reducing pressure recovery of the passing fluid to avoid cavitation.

Abstract: A rotating gate valve for access to vacuum chambers, and the like, employs a rotating gate member which is alternatively aligned to cover or to uncover a slot in a concentric valve body, the ends of which are sealed and serve as supports for a shaft. Eccentric lobes on the shaft engage corresponding cam surfaces on a gate member causing it to be urged into high force contact with the body when sealing of the chamber is desired.

Abstract: A damper controls fluid flow and includes a frame with an opening through which the fluid is intended to flow when the damper is open, and a closure cap movable between a first position in which it blocks the opening and a second position in which the opening is unblocked. In the second position, the closure cap is rotated with respect to its first position, so as to minimize interference with fluid flow through the opening. A mechanism controls the movement of the closure cap, and includes a first and second bracket fixed with respect to the frame and the closure cap, respectively. An elongate guideway is defined in one bracket and a pin on the other bracket is captive within the elongate guideway.

Abstract: Structure and method for providing timed valving in which a nutating plate having an opening defined therethrough moves relative to at least one other nominally static plate having a complementary opening defined therethrough, the nutating plate at one portion of the nutating travel bringing the opening defined thereto in alignment with the complementary static opening and in another portion of the nutating movement positioning such opening therethrough in a spaced, sealing relationship relative to the complementary static opening. Either the nutating or nominally static plate may be utilized in pairs such that a sandwiched relationship between one type of plate and the other exists. The static and nutating plates may advantageously be biased together. Timing of the opening and closing of the valving structure may be adjusted relative to a nominal rotating shaft such as to provide opening and closing cycles of selected portions of an entire rotation.

Abstract: A spindle valve for a pipe system for liquids, which valve comprises a frame (1) provided with an inlet connection (2) and at least one outlet connection (3,4) and a valve housing (5) separating the connections from each other, and a spindle (7) mounted axially slidably in the frame and provided with a valve member (8). A closing surface (3a, 6a) cooperating with the valve member is formed in the valve housing for the outlet connection (3 resp. 4) and actuating means displace the valve member between a closing position pressing against the closing surface and an opening position raised from the closing surface in order to close and to open respectively the flow path between the connections. The valve is provided with a locking device for locking the spindle axially undisplaceably at least in the closing position, in order to prevent unintentional opening of the flow path.

Abstract: Spherical ball drive mechanism for directly coupling a rotary force motor to a valve member, includes a spherical bearing assembly at one end of the valve member. The spherical bearing assembly consists of an outer race member having a concave spherical inner bearing surface and a spherical bearing member having a convex spherical outer bearing surface complementary to the concave spherical inner bearing surface of the outer race member and received therein. The outer race member has a longitudinal axis substantially perpendicular to the longitudinal axis of the valve member and a transverse center axis radially offset from the longitudinal axis of the valve member. An eccentric output shaft of the rotary force motor extends substantially perpendicular to the longitudinal axis of the valve member for receipt in a longitudinal bore in the spherical bearing member.

Abstract: A valve for use in a domestic water installation such as a shower is moveable between open and closed positions by an operating mechanism. The mechanism includes a ratchet that provides intermittent unidirectional drive to the valve member from a manual operator. Successive repetitive movements of the operator moves the valve between open and closed positions. The valve includes a seat and a poppet the disposition of which is controlled by cams that ensure that pressure of water in the conduit assists in moving the valve between open and closed positions.

Abstract: An actuating mechanism for varying the Venturi gap of a jet dyeing machine allows adjustment of the gap between a zero spacing (for easy centering) and a self-cleaning, fully open position, adjustment being provided without interrupting production. As is conventional, a textile material passing pipe is reciprocal within an outlet pipe, with an end of the textile material passing pipe forming a Venturi with a circumferential lip formed on the interior of the outlet pipe. A cam and follower mechanism is mounted exteriorly of the textile material-passing pipe between it and the outlet pipe, with a cam shaft extending through the outlet pipe wall to an exterior position. Power means, which may be responsive to sensors for sensing fabric flow and liquid flow, effect rotation of the cam shaft to effect reciprocation of the textile material-passing pipe, and thus adjustment of the Venturi gap.

Abstract: A liquid level control including a housing for attachment to an opening in a vessel, the housing having an inner chamber with a float extending therefrom, the float responding to changes in liquid level within the vessel, and an outer chamber including a valve for opening and closing an air flow passageway to provide a pneumatic signal in response to the liquid level changes. The housing has a rotatable shaft extending through the wall separating the inner and outer chambers. The valve includes an elastomeric seat which is easily accessable for inspection and is easy to replace.

Abstract: A filling apparatus for metal containers has a rotatable bowl carrying filling syrup or other fluid with a plurality of filling valves arranged on the bowl bottom around its periphery to fill empty containers moved into traveling engagement with each valve. A control cam manipulates each valve in a repeating sequence through close, vacuum, fill and vent positions. A switching cam follower tracking the control cam and a cooperating switch activate the valving sequence if a can is present at a particular filling valve and de-activate the sequence if a can is not present. A pneumatic cylinder actuated by series connected proximity sensors for metal objects, such as cans, manipulates the cooperating switch to direct the switching cam follower for each filler valve into one control cam tracking mode if an empty can is in place below the filler valve or into a second valve closing mode if a can is not present.

Abstract: A valve mechanism for positive displacement, rotary receptacle filling machines having vertically movable valve stems operable by fixed cam tracks employs cam followers pivoted on the valve stems for movement in a vertical plane and horizontally settable means for locking them against such movement.

Abstract: A ball valve with cooperative cranks for rotating the ball valve in which the cranks run in arcuate waffle plates having intersecting lands and grooves and wherein the ball valve is spherical and retainer rings cooperate with the ball valve to hold the cranks in engagement with the waffle plate even when pumping through the valve and moving the ball valve away from an upper seat while retaining the ball valve actuator in the closed position.

Abstract: An air discharge installation for supplying air into the interior space of a vehicle, in which an air regulating element connected with an actuating device is arranged in a housing within the area of an air inlet opening. To provide an installation which requires a small structural space combined with good and reliable functioning and which further enables a metered control of the air space, the air regulating element includes at least two valve sections pivotally connected with each other which are adapted to be moved from a folded-together, open position in which the two valve sections are disposed one above the other, into an unfolded closing position by way of intermediate positions.

Abstract: A high speed vacuum syruper for containers has a rotatable bowl carrying filling syrup or other fluid with a plurality of filling valves arranged on the bowl bottom around its periphery to fill empty containers moved into traveling engagement with each valve. Each filling valve includes a ported valve seat mounted in an opening in the bowl bottom, a pivotable ported valve disc overlying the valve seat and a valve stem extending upwardly out of the bowl that carries a crank mounted control cam follower and a switching cam follower. A stationary control cam above the bowl and in tracking engagement with the control cam follower for each filling valve controls the location of the valve disc ports in relation to the valve seat ports to manipulate each valve in a repeating sequence through close, vacuum, fill and vent positions.

Abstract: There is disclosed a gate valve which is moved to open position by an extendible and retractable, fluid-operated actuator, and which is moved to closed position, upon exhaust of operating fluid, by coil springs which urge follower parts reciprocable with a stem on the gate, and which extend from the valve body into a housing connected on the valve body, into engagement with cam surfaces on the housing. The cam surfaces are so arranged that the coil springs initially move the gate from open toward closed position with a relatively small force, and then move it into fully closed position with a force which is sufficiently larger to shear a wire line or other obstruction in the flowway of the valve body which would otherwise prevent closing of the gate.

Abstract: A diaphragm regulating valve for the flow regulation of a fluid medium. The valve includes a housing having two halves defining a flow channel. A plurality of diaphragm elements in contact with one another are arranged for insertion into the flow channel to control fluid flow therethrough. An actuating mechanism is provided to move these diaphragm elements as desired. One or both of the housings have radial ribs forming a star in the flow channel and covering the contact edges of the diaphragm elements when the valve is closed.

Abstract: A device for releasing the flow of water in a water faucet including switching means adapted to be actuated by the movement of the hands to be washed into the area under the discharge head of the water faucet. To install the device in already existing water faucets in a simple and safe manner, the invention provides for the switching device to be disposed in a hollow cylindrical casing having an inlet and an outlet opening and being connectible in the region of the inlet opening with the discharge head of the water faucet. The switching device is in the form of a switch valve comprising a valve body seated in a valve seat on the side facing the outlet opening. The valve body is adapted to be lifted off the valve seat by the action of an operating lever projecting from the discharge opening of the casing.

Abstract: A drain discharging apparatus capable of automatically discharging drain in compressed air, comprises a body formed therein with a drain reservoir chamber for receiving the drain and compressed air and with an inlet port and an outlet port both communicated with the drain reservoir chamber. A pair of poppet valves selectively communicate the drain reservoir chamber with the inlet port or the outlet port. A cam rotatable within the reservoir chamber alternately opens the poppet valves. A motor rotates the cam, which also is manually operable.

Abstract: A low-shear valve for controlling fluid flow through a conduit does not change the volume of the fluid that it controls when it is actuated between its open and closed positions.

Abstract: A valve assembly is disclosed which comprises a housing having at least two fluid ports which are adapted for connection to a fluid system. A piston is slidably mounted in the housing and movable between a first position in which the fluid ports are fluidly connected and a second position in which the fluid ports are fluidly disconnected. A seal is carried by the piston and engages a sealing surface in the housing when the piston is in its second position. A scraping member is also carried by the member so that the scraping member passes across and engages the sealing surface as the piston is moved from its first and to its second position thereby cleaning the seal surface. Preferably an eccentric cam is employed for moving the piston between its first and second positions.

Abstract: Disclosed is a fluid pressure and signal controller (60) that is adapted to regulate a fluid pressure regulator (16) by means of rotation of a cam (24) in response to rotation of a shaft. The controller is additionally provided with means for generating signals at one or more predetermined positions on the cam by movement of an output member (48) that is in contact with a profiled surface (40, 40') of a body member (38) which in turn is caused to move in response to movement of a cam follower (42) that is in contact relationship with the cam. Means are provided such as threads (51) are provided for adjusting the rotative position of the body member with respect to the position of the cam follower to account for any change in the initial position of the cam member and to enable more than one of the signal generation means to be positioned at different locations about the cam.

Abstract: By providing direct activation of the ball element by the cam lobe of a cam member in a ball valve, instead of utilizing additional links between the cam lobe and the ball member, positive valve action is achieved, the cost and complexity of the valve is decreased and the problems which arise from corrosion and sediment accumulation in linking elements are avoided.

Abstract: A lever operator for use primarily with valves of the plug type in which a tapered plug is raised to unseat associated slips and then rotated to a valve open position during opening of the valve and is rotated to a valve close position and lowered to seat the associated slips for closing the valve. The lever operator comprises an elongated lever arm having an eccentric cam at one end thereof connected to the trunnion of the valve to which the invention is assembled and also comprises a unique dual slot gate mechanism which houses the lever arm and restricts the motion of the arm to the requisite vertical and rotational movement which must be carried out in the appropriate sequence to properly operate the tapered plug mechanism of the valve.

Abstract: A handle mounted adjacent one end of a centrally bored body when squeezed toward the body turns a stem through about 22.degree.. The interior of the stem is cut away so that all that remains is a 90.degree. sector which functions as a cam. On the opposite end of the body is an inlet port. A reciprocable actuator has a seat at one end which is biased to close the inlet port. The opposite end of the actuator engages the cam. Vanes on the actuator center the actuator relative to the bore of the body and permit fluid to pass from the port past the stem when the handle is depressed. When the handle is up, the cam is positioned so that the end of the actuator moves forward by spring and water pressure force to close the valve. When the handle is depressed, the cam turns to force the stem back to unseat the valve and because the stem is cut away for approximately 270.degree., fluid flows around the stem and out of the discharge port.

Abstract: A molten substance dispenser including a container for a substance to be dispensed, a hand manipulatable applicator for applying liquified material received from the container to a work piece, a flexible tube for accommodating flow of the liquified material between the container and the applicator, and heater means for heating the liquified substance in the container, the applicator and the flexible tube.

Abstract: A trip cock device including a pilot valve actuable by a trip lever, when the train on which the trip cock is mounted passes over a trip arm secured to the track, for causing a release valve in the trip cock to be opened and opening brake pipe pressure to atmosphere, at an emergency rate, for effecting an emergency brake application. Axial displacement of the pilot valve, along with a stem thereon, causes a groove in the stem to be engaged by a detent member for securing the trip cock in open disposition until the detent is released manually.

Abstract: A three-passage valve comprising (1) a body with a main passage (10) and two secondary passages (12,13), each of the secondary passages being fitted with a respective closure member (2,3) and the valve as a whole being provided with a single, common actuator unit (6) to operate the closure members in such a manner that the valve can occupy any one of three positions: a first position in which the main passage is in communication with a first one of the secondary passages while the other secondary passage is closed; a second, or intermediate, position in which both of the secondary passages are closed; and a third position in which said first passage is closed while the main passage is in communication with said other secondary passage.

Abstract: A gas-operated valve actuator having a gas operated motor, a mechanism for disengaging the valve's manual operation apparatus, and a device for quickly shutting off the actuator when the valve's drive shaft reaches its travel limit.

Abstract: A conventional rotary filler valve is modified for actuation by a curved surface in place of inclined plane wedges.

Abstract: A fluid dispensing valve having a casing with a conduit therethrough with a valve seat at one end. A valve element on a deformable resilient diaphragm seals the valve seat when closed. A lever or arm is used to displace the valve element, against the biasing force of the diaphragm to allow fluid flow.

Abstract: A mechanism for providing differential control of the opening of the throttle valve which controls the amount of air introduced into the induction manifold of an internal combustion engine. The angle of opening of the throttle valve changes with a predetermined law of variation with respect to the displacement of a member controlled directly by the throttle pedal; this member has cam faces formed thereon for successive engagement by different rollers spaced along a transmission member the angular displacement of which is directly related to the angular displacement of the throttle valve. Transmission of movement from the transmission member is by means of meshing toothed sectors providing a fixed ratio, or by way of direct connection to the butterfly spindle.