Units Interchangeable Between Alternate Locations Patents (Class 137/271)
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Patent number: 4552178Abstract: A throttling device for restricting the flow of flushing fluid from a source of supply through a mechanical seal in which the throttle includes two members which are rotatably connected in fluid-tight relationship with respect to one another and which have a plurality of fluid flow openings there through which are symmetrically located about a common axis and which are selectively aligned to create varying fluid flow paths of varying diameters so that the flushing fluid is selectively channeled therethrough to an eddy current chamber within one of the members which serves to further restrict the flow of fluid with respect to the seal.Type: GrantFiled: January 25, 1983Date of Patent: November 12, 1985Assignee: Scanpump ABInventor: Aron Olsson
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Patent number: 4539961Abstract: A fuel rail supporting injectors for delivering fuel to an engine has fuel supply and fuel return passages interconnected through a recess in a plug at each end of the fuel rail. The recesses are calibrated to direct the proper proportion of the fuel past the injectors. The fuel supply passage is configured to allow separation of fuel vapor from the liquid fuel received by the injector and to conform to the shape of the plug and the fuel return passage.Type: GrantFiled: August 23, 1982Date of Patent: September 10, 1985Assignee: General Motors CorporationInventors: Terrance J. Atkins, Martin J. Field, Donald J. Lamirande
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Patent number: 4488343Abstract: A mounting assembly for coupling together a plurality of fluid actuated components utilizing a pressurized fluid which provides a versatile structure to enable easy customizing of control systems. Each component has ports to receive and to discharge fluid when secured to the mounting assembly. The assembly has a main face with at least a first face recess separated from an adjacent second face recess by a partition, a portion of the partition being adapted to be removed to provide communication between the first and second face recesses. The assembly also has input and output connecting recesses adapted to receive and to discharge fluid and to communicate with the face recesses. The assembly includes an intermediate plate fitted and sealed between the components and the mounting plate to seal portions of the recesses to form passages through the mounting assembly.Type: GrantFiled: May 7, 1982Date of Patent: December 18, 1984Inventor: Jacob Kobelt
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Patent number: 4483365Abstract: A fluid valve support panel including a plurality of interlocking modules is disclosed. Each interlocking module is a rectangular planar member having a set of interlocking flanges and pockets disposed about the periphery of the panel. The pockets and flanges of adjacent panels interlock with one another to form a self-supporting set of panels. Opposite sides of the rectangular modules have inverse patterns of pockets and flanges which permit adjacent panels to be interlocked. A valve mounting plate having fluid ports formed therethrough is secured over a central aperture formed in each module. The valve mounting plate has a flat surface for receiving a valve on one side and is adapted to be secured to fluid piping means on the opposite side.Type: GrantFiled: July 27, 1982Date of Patent: November 20, 1984Assignee: Louis G. Basso, Jr.Inventor: Gerald J. Fallon
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Patent number: 4476897Abstract: A flangeless, disc-like seal plate is disclosed for insertion between opposing flowline hubs for sealingly connecting, blocking or rerouting fluid flow between various fluid carrying lines within said flowline hubs. For connecting flow lines, straight throughbores within the seal plate are provided with V-seals in channels on said seal plate around the throughbores, as well as O-ring seals around said V-seals and another O-ring near the periphery of the disc itself. No seals or seal grooves are necessary on the hub faces. For connecting hydraulic control lines, the seal plate is equipped with transverse channels interconnecting various throughbores but may also be provided with blind ports for totally blocking off certain control lines at the plate. Within said throughbores, fluid diverter plugs are inserted which are either equipped with protruding caps for opening up corresponding check valves housed within hub lines or flush plugs such that said check valves remain closed after clamp-up.Type: GrantFiled: July 16, 1982Date of Patent: October 16, 1984Assignee: Smith International, Inc.Inventor: Charles D. Morrill
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Patent number: 4432385Abstract: The present invention concerns an improvement to devices for regulating the flow and the pressure of compressed gases in order to save energy.The device according to the invention comprises a main body whose inlet nozzle is connected to a main seat on which a main valve is adapted to come to rest, said main valve being integral with a valve-chamber and being returned to its seat by means of an elastic member, a secondary valve being adapted to occupy an opening position to allow the flow of gas from the pressure user apparatus whose rate of flow is controlled by a nozzle provided in the main valve.The invention finds an application in the control of jacks.Type: GrantFiled: April 16, 1981Date of Patent: February 21, 1984Assignee: Legris S/AInventor: Andre Legris
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Patent number: 4411285Abstract: A diver's demand valve has a diaphragm 15 with a centrally located rigid element 16 which pivots with a lever effect on an eccentric port 22 upon establishing an operative pressure difference across the diaphragm to open and close the valve. An abutment surface 30 prevents unwanted pivoting and a spring 27 keeps the rigid element 16 seated except during operative pressure differences.For a diver's exhalation demand valve an "anti-squeeze", safety, flap valve 34 may be provided in the rigid element 16.Type: GrantFiled: May 18, 1981Date of Patent: October 25, 1983Assignee: Submarine Products LimitedInventor: Hugh H. B. Oswell
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Patent number: 4402651Abstract: A device for obtaining a vacuum by jetting compressed air characterized in that compressed air, that is, a vacuum state can be switched by changing the internal member fitting position so as to be in a form in response to the use and the manufacture is very easy.Type: GrantFiled: March 17, 1981Date of Patent: September 6, 1983Inventor: Yoji Ise
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Patent number: 4392677Abstract: A connecting device is for pneumatic apparatus intended particularly to control the distribution of fliuds passing to receptor apparatus. The body (1) of each apparatus can be coupled to that of an identical or analogous apparatus, placed upstream or downstream, by orientatable screws (45) placed in housings opening in the region of faces (5,6) coming into contact during association (25,26). This device is applicable to all apparatus intended to constitute a group of identical apparatuses, and is applied advantageously to the construction of an assembly for the control of jacks.Type: GrantFiled: December 1, 1980Date of Patent: July 12, 1983Assignee: La Telemecanique ElectriqueInventor: Pierre Hardouin
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Patent number: 4359064Abstract: A fluid power control apparatus comprising a plurality of standardized multiple-function modules adapted to be selectively programmed in various arrays to effect substantially any required hydraulic valve and system function.Type: GrantFiled: July 24, 1980Date of Patent: November 16, 1982Inventor: Charles W. Kimble
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Patent number: 4336818Abstract: A gas valve for attachment to a gas line for preventing flow of gas subsequent to a vibration shock of a predefined limit, the valve having a ball and pedestal trip mechanism wherein the ball, in set position on the pedestal, supports a lever connected to a flap closure which drops to a closed position on displacement of the ball from the support pedestal, the valve having a reset mechanism and multiple support pedestals for selection of a desired strength setting.Type: GrantFiled: January 2, 1981Date of Patent: June 29, 1982Inventor: Hector A. Dauvergne
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Patent number: 4327762Abstract: A control device having a housing provided with a main lever pivotally mounted thereto by a pivot structure and being operatively associated with a flapper to move the same relative to a leakport in relation to pivotal movement of the main lever. The device has a feedback diaphragm operatively associated with a feedback lever that is pivotally mounted to the housing and is operatively associated with the main lever to cause pivoting thereof upon pivoting movement of the feedback lever by the feedback diaphragm. The device has means for selectively changing the device to be either direct acting or reverse acting by changing the position of the feedback lever and the flapper and without changing the position of the feedback diaphragm and the leakport.Type: GrantFiled: August 8, 1980Date of Patent: May 4, 1982Assignee: Robertshaw Controls CompanyInventors: Douglas R. Scott, Larry V. Price
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Patent number: 4296772Abstract: A non-return valve has a housing being symmetric with respect to a plane perpendicular to the direction of flow, and having facing inlet and outlet openings with surrounding identical valve seats, and identical bearing means adjacent each opening for holding a reversible valve flap. One flat side of the valve housing forms an inspection cover and, together with the opposite parallel flat side, carries the bearing means. Between the flat sides there extend parallel transverse sides and end sides which make an obtuse angle .alpha. with one transverse side and an acute angle with the other transverse side. One end side defines the inlet opening and the other end side the outlet opening.Type: GrantFiled: January 23, 1980Date of Patent: October 27, 1981Assignee: Evak Sanitar ABInventor: Robert Nilsson
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Patent number: 4247133Abstract: A valve battery device including mounting plates on which valves may be mounted, and of which a preselected number, each having passageways therein, may be assembled in serial relation to form a valve battery of any desired number. Each mounting plate is provided with one hooked projection and one recess for accommodating the hooked projection of an adjacent mounting plate, and all mounting plates are identical in structure and so constructed that they may be turned end-for-end and top-for-bottom so they may universally assemble. Identically structured terminating plates are provided at each end of the valve battery.Type: GrantFiled: July 20, 1979Date of Patent: January 27, 1981Assignee: Wabco Steuerungstechnik GmbH & Co.Inventor: Rudolf Moller
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Patent number: 4220174Abstract: A valve for controlling the flow of a liquid under pressure and capable of flowing a maximum amount of liquid and still be shifted by a commercially available, industry standardly-accepted solenoid. My improved valve utilizes only four dynamic seals between the valve plunger and the bore through which the plunger operates to minimize breakaway force required to move the plunger from one position to another. The valve incorporates novel plunger and separator constructions wherein valves of different operating capabilities may be formed from common parts and selectively interchangeable parts.Type: GrantFiled: March 29, 1978Date of Patent: September 2, 1980Inventor: Russell W. Spitz
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Patent number: 4210166Abstract: This mixing apparatus is for use in incorporating a base material, such as powder, into a liquid carrier material. The mixing apparatus includes a venturi mixing device used in conjunction with a pump which delivers liquid from a container to said device, to draw the powder from another container by venturi action.The mixing device includes a T-shaped fitting receiving an intake insert for the liquid and an intake insert for the powder into two of its branches, and receiving a discharge insert in the remaining branch. The liquid insert and discharge insert are spaced apart to create a venturi throat inducing powder to flow through the base material insert and through the discharge insert which is configurated to facilitate mixing. The base material insert is removable for replacement with another insert to suit a different base material.Type: GrantFiled: September 14, 1977Date of Patent: July 1, 1980Inventor: Julius C. Munie
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Patent number: 4183373Abstract: An interconnecting unit for reliably establishing compact and readily rearrangeable connections between the components of a fluid pressure-operated system comprises a matrix block with primary and secondary sets of non-intersecting passages adapted for connection to system components has linking passages joining each primary passage with every secondary passage, communication and flow-control between the so-joined passages being determined by the introduction of flow-controlling plug members selectively into the associated linking passages.Type: GrantFiled: April 24, 1978Date of Patent: January 15, 1980Inventor: Francis X. Kay
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Patent number: 4174730Abstract: A housing which can be employed equally for air service units such as a water separator, a pressure regulating valve and a filter/pressure reducer, includes a body member in the form of a cube having perpendicularly related first, second and third opposing sidewalls, the body member having a flow passage with an inlet and outlet thereof disposed co-axially and being respectively located in the first opposing sidewalls. A receiving chamber and valve seat are located in the path of the flow passage, and the bottom member has a bore for guiding the valve body of the pressure regulating valve or of the filter/pressure reducer for controlling flow through the passage as the valve body engages the valve seat. A bayonet connection union is located on one of the second opposing sidewalls for interconnection with a collector bowl of the water separator or of the filter/pressure reducer or for interconnection with a closure lid of the pressure regulating valve.Type: GrantFiled: July 12, 1977Date of Patent: November 20, 1979Assignee: J. Lorch Gessellschaft & Co. KGInventor: Roland Heilmann
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Patent number: 4167197Abstract: A directional change-over valve which has a valve body having connecting surfaces at both sides thereof, a spool slidably inserted into the valve body, a check valve replaceable depending upon utilities thereof, wherein the valve body has a plurality of valve chambers, the central valve chamber is communicated with the hole for mounting the check valve for removably mounting the check valve, passages are provided opening at the connecting surfaces of the valve body in the respective valve chambers, another passages are provided for connecting the interior of the check valve to the both side valve chambers to form parallel, tandem and series circuits. Thus, this invention simplifies the structure and circuits to provide a compact directional change-over valve device as a whole.Type: GrantFiled: January 10, 1977Date of Patent: September 11, 1979Inventors: Toshio Maki, Isao Oki, Kiyoshi Shirai
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Patent number: 4140144Abstract: A valve control mechanism for operating a plurality of valves in a bank of valves which can be selectively operated by interchangeable lever arrangements one of which has a separate lever for each valve and another of which has a single lever for a pair of valves. The bank of valves and the lever arrangements are detachably removable independently of each other to permit easy servicing and selecting of the desired lever arrangement or to change the sequence of valve operation.Type: GrantFiled: June 9, 1977Date of Patent: February 20, 1979Assignee: Massey-Ferguson Inc.Inventors: Allyn C. Dowd, Habibur Rahman
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Patent number: 4123037Abstract: A valve housing member and a valve including a number of juxtaposed housing members containing a ported sleeve with a reciprocally mounted valve member therein. Each housing member comprises a generally cup-shaped portion which is centrally apertured to accommodate a valve sleeve with a clearance therebetween. A number of relatively flexible leg members are spaced about and extend axially from the aperture within the cup-shaped portion. A mounting ring is carried on the free ends of the leg members and arranged to surround and support the valve sleeve.Type: GrantFiled: March 4, 1977Date of Patent: October 31, 1978Assignee: Bridon Engineering LimitedInventor: Peter J. Gillespie
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Patent number: 4120321Abstract: A timing device includes a timing means which effects movement of a motion transmitting member at a selected rate to establish a timed interval of selected duration, upon expiration of which interval a fluid signal is provided at a given point in a fluid circuit. The timing device is actuated by a fluid actuator which utilizes diaphragms with flexible portions to eliminate dynamic seals. Means is provided for enabling actuation of the timing device in response to a relatively short-term activating pulse.Type: GrantFiled: December 29, 1976Date of Patent: October 17, 1978Assignee: Amerace CorporationInventor: Charles P. O'Neil
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Patent number: 4082104Abstract: A pressure relief valve including a housing, first and second bores in axial alignment in the housing, first and second plungers in the first and second bores, respectively, a third bore in the first plunger, a seal between the first and second plungers with the end of the second plunger being located in communication with the third bore, a first conduit for placing the housing in communication with a source of fluid pressure to expose the first plunger thereto and also expose a portion of the second plunger thereto through the third bore, a shear pin for holding the second plunger in position whereby the fluid pressure on the first and second plungers is exerted on the shear pin, a plurality of radial bores in the housing proximate the seal between the first and second plungers, and a second conduit in communication with the radial bores for conducting high pressure fluid from the housing upon shearing of the shear pin and after movement of the second plunger away from the first plunger.Type: GrantFiled: June 21, 1976Date of Patent: April 4, 1978Assignee: C. H. Heist CorporationInventor: Joseph G. Keeney
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Patent number: 4082324Abstract: An arrangement is disclosed for securing together mating faces of hydraulic manifold blocks so as to securely seal aligned ports on the mating faces, the arrangement consisting of a slot having a sloping sidewall formed in each side of the manifold blocks adjacent to the mating surfaces, and includes respective clamping elements having contours adapted to engage the sloping sidewalls of slot pairs brought into juxtaposition when manifold block pairs are placed in position with the mating faces abutting each other. The clamping elements are drawn into the slots by means of threaded fasteners passing through the clamping element and mating position with respect to each other received in threaded bores in the respective manifold blocks, the interaction between the sloping slot and clamping element contours being such that the mating manifold faces are drawn tightly together.Type: GrantFiled: October 4, 1976Date of Patent: April 4, 1978Inventor: Robert E. Obrecht
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Patent number: 4082108Abstract: A valve block assembly for use in glassware forming machines is disclosed. The valve block has at least two rows of valve stations arranged parallel to one another. An air supply manifold and an air exhaust manifold communicates with each row of valve stations. A cartridge valve is disposed at each of the valve stations for controlling the air flow through a respective valve station. An outlet conduit, having a needle valve disposed within it, forms a flow path away from the cartridge valve. A check valve is also disposed within at least one of said outlet conduits. All of the valves are mounted in a vertical front face of the valve block.Type: GrantFiled: July 19, 1976Date of Patent: April 4, 1978Assignee: Maul Technology CorporationInventor: Thomas Dininio
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Patent number: 4080983Abstract: A valve base for establishing connections to valves in hydraulic circuits comprises a base having in it a number of coplanar longitudinal channels, groups of holes each in a standardized pattern to fit a standardized pattern of connections of a hydraulic valve, and a transverse bore associated with each group of holes and intersecting all the longitudinal channels. Each transverse bore contains a column of distributor modules held by terminal members at the ends of the bore. The distributor modules are of different types of hollow cylinder and are separated by discs which may be solid or annular so as to block or permit flow along the bore. A module may have one or two lateral openings, or a circumferential groove in its external surface, to provide a choice of connections.A valve of cartridge type may be incorporated as a module, either fitting directly in the bore or with an adaptor, or may be incorporated in a terminal member.Type: GrantFiled: May 11, 1976Date of Patent: March 28, 1978Inventor: Fritz Stumpmeier
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Patent number: 4074689Abstract: This spool-valve distributor, comprising a pair of pistons producing opposed actions and two end covers formed with passage means for the circulation of the piston control fluid, has an assembling face formed with grooves adapted to receive a seal or gasket interposed between said face and the base member rigidly connected to the hydraulic or pneumatic device actuated by the distributor, some of said grooves being provided with lateral ribs, whereby positioning the seal or gasket on one or the other side of the relevant rib permitting of sealing said distributor body in relation to base members of different standards and dimensions.Type: GrantFiled: December 13, 1976Date of Patent: February 21, 1978Assignee: Societe Anonyme des Establissements Jouvenel & CordierInventor: Daniel Lenay
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Patent number: 4073313Abstract: Valve apparatus including a generally cylindrical valve body member and at least one pilot valve located at the end of the valve body member. A supply valve is located within the valve body member and the supply valve and the pilot valve permit the non-throttling interruption of fluid flow as well as permitting the fluid flow pressure to maintain the supply valve in a positive or locked position. The non-throttling and locked operational features are made possible by the relationships of various areas upon which pressures are exerted and the supply pressure. Various embodiments of the invention are presented and these embodiments have convertible components which permit them to be converted into various types of operational configurations.Type: GrantFiled: December 6, 1974Date of Patent: February 14, 1978Assignee: Fairchild Industries, Inc.Inventor: John J. Smallwood
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Patent number: 4063568Abstract: Installed co-axially in the valve body, along its axis, are two identical sockets with central holes in their bottoms, the holes forming seats closed by closing elements. The sockets are provided with annular seals which divide the valve body into three chambers, viz., an inlet chamber which receives the fluid under pressure, an outlet chamber communicating with the output element and a return chamber for draining the fluid from the output element back into the system. The sockets can be installed with their bottoms directed either towards each other to form a "normally-open" valve or away from each other to form a "normally-closed" valve. The closing elements are accommodated in cages and operated by a drive such as an electromagnetic drive. The critical limits of valve operation are set by springs.Type: GrantFiled: September 21, 1976Date of Patent: December 20, 1977Inventors: Gleb Borisovich Sosulnikov, Vladimir Mikhailovich Fomichev, Ljudmila Alexandrovna Tsiporina, Mikhail Prokhorovich Selivanov, Lev Vladimirovich Bobrakov, Alexandr Sergeevich Axenov, Dmitry Vladimirovich Alexandrov, Maxim Semenovich Ugrjumov, deceased, by Raida Nikolaevna Ugrjumova, administratrix, by Nikolai Maximovich Ugrjumov, administrator, by Lidia Maximovna Tjumina, administratrix
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Patent number: 4051860Abstract: A valve control mechanism for operating a plurality of valves in a bank of valves which can be selectively operated by interchangeable lever arrangements one of which has a separate lever for each valve and another of which has a single lever for a pair of valves. The bank of valves and the lever arrangements are detachably removable independently of each other to permit easy servicing and selecting of the desired lever arrangement or to change the sequence of valve operation.Type: GrantFiled: December 15, 1975Date of Patent: October 4, 1977Assignee: Massey-Ferguson Inc.Inventors: Allyn C. Dowd, Habibur Rahman
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Patent number: 4036248Abstract: A cylindrical valve body for a sleeve valve including the valve body to be secured to the upper wall of a reducing chamber and a valve cylinder gate having open upper and lower ends and slidably fitted in the valve body, the gate communicating at its upper end with an inlet elbow for pressurized water. The valve body is formed in its peripheral wall with a multiplicity of straight bores each having a cylindrical nozzle member fixedly fitted therein and provided with an outwardly tapered port. This construction renders the tapered ports easy to form in the wall of the valve body. The tapered port is closable with a plug including a conical head in conformity with the tapered port and a threaded pin projecting from the top end of the head by inserting the plug into the port and screwing a nut on the threaded pin. By altering the number of the tapered ports so closed, the distribution of open ports is variable to improve the flow ratio characteristics of the valve body.Type: GrantFiled: February 13, 1976Date of Patent: July 19, 1977Assignee: Kubota Ltd.Inventors: Ikuo Yoshimori, Teruaki Nanao, Toshio Sugino
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Patent number: 4014364Abstract: A universal circuit-defining device with which logical or other component elements or modules of component elements are to be connected. The device includes a base plate having channels therein closed by a deformable seal held against the channels in the base plate by a cover plate, the channels constituting pre-established circuit elements and having sockets formed therein to receive interchangeable plugs constituting means for the interruption of the circuit and which are removable to bring the corresponding parts of the circuit into operation.Type: GrantFiled: May 29, 1975Date of Patent: March 29, 1977Assignee: Martonair LimitedInventor: Pierre Matrot
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Patent number: 4004606Abstract: A reversible flush valve is presented which may be manually actuated and is self-closing. The valve has a spool valve element, one end of which controls communication between a fluid inlet and a fluid outlet, and the other end of which defines a control chamber. A plug movable between two positions determines the mode or direction of operation of the valve. A passageway through the spool communicates with the control chamber via a flexible valve in the form of a resilient and compressible rubber ring which controls the rate of closing of the valve.Type: GrantFiled: October 9, 1975Date of Patent: January 25, 1977Inventor: Earl W. Carson
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Patent number: 3995654Abstract: A universal logic body block includes a number of identical cavities having accompanying passageways of identical number and pattern. Each single cavity forms the basic housing for installation of various valve components which may perform a desired logic function AND, MEM, DIF, OR, NOT or TIM. A primary universal insert fitted within an above-described cavity of the universal logic body block in combinaton with various other valve elements will provide an AND, MEMORY, DIFFERENTIATOR or NOT logic function. A universal valve member may be fitted within a cavity in a first manner in combination with other components, to provide the logic functions, NOT and DIFF. The universal valve member may be fitted within a cavity in a second manner in combination with other components to provide the logic functions AND and MEMORY.Type: GrantFiled: March 24, 1975Date of Patent: December 7, 1976Assignee: The Aro CorporationInventors: Paul Arvin, Larry L. Seeley
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Patent number: 3993091Abstract: A fluid control apparatus comprising a manifold and one or more valve assemblies adapted to be mounted on the manifold for controlling the flow of a pressure fluid. The manifold has a pair of main flow passages associated therewith, one being a supply passage and the other being a discharge or exhaust passage. A pair of load ports is provided in the manifold, and a set of openings is formed in one face of the manifold for cooperation with a valve assembly, which openings provide communication between the load ports and the main flow passages through the valve assembly. The openings in the manifold cooperate with further openings in the valve assembly so as to permit the valve assembly to be mounted on the manifold in a selected one of two different positions, in which positions the valve assembly cooperates with the same set of openings in the manifold but results in the valve assembly functioning as a normally open or a normally closed valve.Type: GrantFiled: October 6, 1975Date of Patent: November 23, 1976Assignee: General Gas Light CompanyInventor: Stanley M. Loveless
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Patent number: 3980324Abstract: This coupling comprises a rotary cylindrical portion which is recessed and an outlet opening whose lower edge is placed level with the lowest point of a surface which is inclined relative to the rotation axis, whereby the said surface is placed adjacent to the axis and the side opposite to the said opening.This coupling is more particularly intended to be used on the inlets and outlets of pneumatic automatic control modules.Type: GrantFiled: March 10, 1975Date of Patent: September 14, 1976Assignee: La Telemecanique ElectriqueInventors: Daniel Bouteille, Michel Nicolas
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Patent number: 3976098Abstract: A hydraulic motor control apparatus comprising a plurality of standard multiple function modules adapted to be selectively programmed in various arrays to effect substantially any required hydraulic control function.Type: GrantFiled: January 2, 1974Date of Patent: August 24, 1976Assignee: International Basic Economy CorporationInventor: Robert E. Raymond
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Patent number: 3974857Abstract: A device for monitoring and adjusting the temperature of multiple cooling circuits in which a monitoring unit with a float-type flow gauge, a temperature gauge and a throttle valve is associated with each cooling circuit, and several units are assembled in a monitoring bank. A main liquid supply pipe and main liquid outlet pipe support the bank adjustably on the machine for supervision by an operator.Type: GrantFiled: June 27, 1974Date of Patent: August 17, 1976Inventor: Karl Hehl
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Patent number: 3974856Abstract: A distributor board or panel for compressed air monitoring systems including an integral die-cast distributor housing and a plurality of flow detectors. The housing has a longitudinal opening and surrounding structure to which the flow detectors are mounted for registry with a longitudinally extending common compressed air line through respective air supply lines which extend at right angles from the common compressed air line, and to respective air outlet lines which have cable connections associated therewith. The individual air supply lines and air outlet lines are also formed in the distributor housing. In each air supply line there is mounted an automatic closing stop valve which can be opened by a control pin mounted within the respective flow detector.Type: GrantFiled: November 26, 1975Date of Patent: August 17, 1976Assignee: Peter Lancier K.G. Maschinenbau-HafenhuetteInventor: Peter Lancier
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Patent number: 3960166Abstract: A valve assembly kit permits the assembling of a plurality of different slide valves each having an elongated housing element formed with a main passage, fluid passages communicating with the main passage, and fluid ports which also communicate with the main passage, and an elongated valve spool element slidably receivable in the main passage. One or both of these elements comprises a plurality of diverse but interchangeable components which can be coaxially assembled in different sequences so as to obtain a selectable configuration of the respective element.Type: GrantFiled: July 18, 1974Date of Patent: June 1, 1976Assignee: Artur FischerInventor: Jorg Linser
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Patent number: 3949777Abstract: A three-way changeover valve construction having a housing means provided with an inlet and a pair of outlets. A pair of valve seats are carried by the housing for respectively controlling fluid flow from the inlet through the outlets. A pair of valve members are provided for respectively controlling the valve seats with the valve members being operatively associated together to move substantially in unison relative to the valve seats in response to a condition sensed by a condition responsive device. A changeover device is operatively associated with the valve members to position the same to act respectively on one side of the pair of valve seats or on the other side of the pair of valve seats to change the valve construction from a cooling function thereof to a heating function thereof in response to a temperature change in the flowing medium.Type: GrantFiled: April 17, 1974Date of Patent: April 13, 1976Assignee: Robertshaw Controls CompanyInventor: Edward N. Caldwell
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Patent number: 3938542Abstract: In a plural range pressure regulator construction having a spring for acting on a flexible wall of the construction to provide one pressure range for the regulator construction when the spring is in a certain position thereof and for being stored in a removable cap of the construction so that the spring will be in another position thereof and will not act on the wall so as to permit the regulator construction to provide another range thereof, the improvement wherein the spring has a spring retainer secured to one end thereof with the spring retainer being adapted to be snap-fitted onto a projection of the cap whereby the cap and spring are removed in unison from the housing when it is desired to change the operating position of the spring.Type: GrantFiled: November 8, 1974Date of Patent: February 17, 1976Assignee: Robertshaw Controls CompanyInventor: John J. Bolha
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Patent number: 3934605Abstract: A modular distributor box for distributing a fluid, consisting of a linear assembly of juxtaposed prismatic modules with contiguous modules connected together by engagement of a projection having an undercut, preferably dovetail, cross-section of one module engaging with one of at least two similarly undercut intersecting grooves of a corresponding face of the next module, each module having a central conduit therethrough between the faces on which the grooves and projections are defined so that the assembled distributor box has a continuous longitudinal conduit extending therethrough. The ends of the box may be blanked off with releaseable plugs. Transverse conduits formed in the various modules of the distributor box may include pressure sensors, manometers branching pipes or blanking plugs, and at least one of the modules may include a shut off tap effective to close said central conduit.Type: GrantFiled: June 28, 1974Date of Patent: January 27, 1976Assignee: Societe Legris France S.A.Inventor: Andre Legris