Matches 1 - 50 out of 159 1 2 3 4 >
Match Document Document Title
7040339 Suction inlet valve for fire truck pumpers  
A suction inlet valve for fire truck pumpers has a male body portion and a female body portion, the portions defining a chamber therein. A cone-shaped valve element is connected to a valve stem...
6915813 Check valve  
A check valve including an outer body having a cylindrical inner bore and a shuttle within the inner bore which is arranged with an upstream, middle and downstream portion that each engage with a...
6752168 System for controlling the working conditions for mechanical pumps, and a regulation valve for such a system  
A system for controlling the working conditions for mechanical pumps supplying associated devices with pressure fluid via a pipe system. A valve means ( 25 ) is placed between at least one of the...
6742539 Co-axial control valve  
A flow control valve has a housing having a fluid inlet at one fitting end and fluid outlet at another fitting end, and a control body supported within the housing by support structure bridging...
6684895 Fluid control valve apparatus and method  
An improved fluid control valve includes a valve body with an inlet and an outlet. A sealing member is connected to the valve body conformed to seal the inlet and form a pressure chamber. A push...
6279594 Flow actuated valve  
An upright cylindrical valve body has an inlet port axially aligned with an outlet port. A valve member is retained for reciprocal movement into and out of engagement with a valve seat axial...
6230734 Flow-rate controller  
A flow-rate controller comprises hollow casing 1, main 2 and additional 3 outlet branch pipes, and outlet branch pipe 4. Piston-type slide valve 13 with skirt 14 is located between front 5 and rear...
6132191 Check valve for scroll compressor  
A series of check valves are disclosed for use in a scroll compressor which control and dampen the closing of the check valve to reduce noise during rapid pressure fluctuations encountered during...
5921276 Piston-type check valve with diffuser  
An axial recess is formed in the downstream end of the diffuser body. An annular tail member is mounted on the downstream end of the valve piston. The tail member retracts into the recess when the...
5715857 Multi-use valve  
A multi-use flow control and pressure reducing valve includes an inlet chamber, an intermediate chamber, and an outlet chamber. An hydraulic gate member forms the outlet chamber and controls...
5540252 Pneumatically stabilized inline valve  
A variable area inline valve receives a pressurized fluid and regulates the amount of pressurized fluid flowing through the valve. The valve includes a piston assembly which slides longitudinally...
5435337 Inline control valve for controlling fluid flow  
An inline control valve (10-10F) having a fixed diverter member or plug (34-34F) positioned centrally of the flow passage (30-30F) and a sleeve (40-40F) mounted for movement between open and closed...
5375621 Check valves  
A diaphragm- and spring-less check valve for gaseous media comprising an inlet housing (41) having a sealing edge (51), an outlet housing (11) and a closure body (30) disposed in between the...
5320130 Valve block assembly for I.S. machine  
A valve block assembly for controlling the flow of air at either of two pressures to the air operated mechanisms of a section of an I.S. machine comprising a plurality of valves each having a...
5314299 Speed governor for a pneumatic power tool  
A speed governor for a pneumatic power tool which comprises a housing (10) with pressure air supply means (16-18) and an air turbine (20) including a turbine wheel (22) drivingly coupled to an...
5141420 Scroll compressor discharge valve  
A scroll type hermetic compressor is disclosed which incorporates an improved disc type check valve in the discharge conduit exiting from the compressor shell. The check valve operates to prevent...
5104038 Thermostat apparatus  
An apparatus wherein a thermostat is mounted within a sleeve, with the sleeve positionable as a junction between a plurality of hoses, or alternatively, the sleeve formed with a sealing boss, with...
5080122 Non-return valve  
A valve body having an opening closed by a cover through which may be mounted or demounted a non-return obturator which is mobile along an upstream-downstream axis, the obturator being installed by...
4911196 Inline check valve  
An inline check valve (10) has a valve body (12) with an enlarged diameter valve chamber (14) in which a cage assembly (44) is mounted. Cage assembly (44) has a cylindrical body (48) fitted about...
4747426 Check valve  
A check valve or non-return valve has a valve body (9) which is connected with a piston (15) by a rod (14). The piston is guided by a sleeve (17) mounted inside an inner housing of the valve. The...
4732189 Fast opening valve  
A fast opening plug valve especially for release of high pressure gas. The plug has an internal chamber and is held in the closed position by the pressure of gas within this chamber which acts on a...
4681130 Combined pressure regulated and check valve  
A combined pressure-regulated and check fluid flow valve is disclosed which is adapted to be installed directly on the pipeline and serve also as a protection against water hammer in case of sudden...
4651768 Servovalve for pipe flange connection  
The flow controlling valve, particularly mounted in a pipe flange structure, comprises a cylindrical housing, a flow passage whose cross section is controllable, a valve seat, and a valve member...
4638832 Nonreturn piston slide valve  
A nonreturn piston slide valve has an inner housing operatively held in an outer housing and a spring operated piston operatively held in the inner housing for cooperation with a valve seat. A flow...
4637428 Fluid flow control valves  
A fluid flow control valve which is responsive to the pressure drop occurring across the valve in order to maintain a substantially constant volume of fluid flow regardless of the pressures...
4516600 Pressure regulating valves  
Pressure regulating valves intended primarily for use as pressure regulating shut-off valves are disclosed. The valves utilize a simple piston assembly operative between a valve open position and a...
4479507 Fluid pressure operated valve  
A fluid pressure operated valve device for connection to the inlet and outlet sides of a pilot valve has a two part, axially separable hollow cylindrical body with axially aligned inlet and outlet...
4474207 Pressure regulator  
A fluid pressure regulator is described including a movable regulator member and means biassing same to its fully-open position, the regulator member being exposed to the outlet pressure for moving...
4437485 Check valve  
A check valve (10) for checking reverse flow as well as excessive forward flow includes a housing (15) and a pair of valve elements (20 and 25) which are operated by flow over both inner and outer...
4429709 Cascade-based method and device for fluid handling and measurement  
A method and devices for applying the generally known principle of cascade flow in control of self-adjusting fluid handling systems, which devices are capable of maintaining predetermined flow...
4416301 Annular piston valve  
A valve construction wherein a streamlined flow diverter is centered within a cylindrical valve body. A slidable annular seat ring is biased upstream to seal against a seating surface on the...
4373544 Check valve  
A low pressure drop check valve includes an apertured, streamlined guide body (45) mounted on struts (40) which accommodate thermal and fluid loading and also includes a streamlined poppet or valve...
4254634 Control valve to be employed for refrigerator and air conditioner  
A fluid flow passage is available, between an inlet tube and an outlet tube, through a piston supported by a spring and equipped with an orifice connecting a pilot chamber and the outlet tube. A...
4195774 Dual in-line valve construction  
Two fluid streams of different temperatures flow through two concentric pipes, the flow of each stream being modulated to achieve a desired mixture temperature. An in-line slide valve is interposed...
4136713 Hydraulic circuit units  
A hydraulic circuit unit comprises parallel top and bottom faces and a side face for receiving a valve assembly. At least four passageways extend between the top and bottom faces and are...
4116212 Unidirectional flow control valve  
A unidirectional tubular energy-conserving axial flow control vave is provided, capable when open of accommodating the full flow of fluid through a fluid line at uniform velocity and a high flow...
4077425 Fluid flow control devices  
Fluid flow control devices comprise a cylinder and a piston movable therein in accordance with the pressure at the outlet of the device. The piston rod is fixed to a regulating sleeve which moves...
4008733 Filling valves for pressure fueling devices  
A filling valve for a pressure fueling device, particularly for aircraft refueling, comprises a movable sleeve responsive to the flow rate of fuel through the valve and which increases the ratio...
3993093 Non-return valve  
This invention relates to a non-return valve or check valve in the form of a piston-type slide-valve comprising a substantially rotationally-symmetrical outer housing and a likewise substantially...
3972448 Aircraft refueling system  
This disclosure relates to a hydrant coupling device including a pressure control valve which, due to its portability, may be connected to any one of a plurality of hydrants to regulate the flow of...
3963044 Pilot valve operated pressure regulator  
This disclosure relates to a hydrant coupling device including a pressure control valve which, due to its portability, may be connected to any one of a plurality of hydrants to regulate the flow of...
3954209 Injection nozzle for plastics materials having centering for outlet valve  
An injection nozzle for plastics material comprises a rear tubular body and a hollow front body with a nozzle orifice at one end and detachably connected to the rear body at the other end, an...
3945393 Regulating valve  
Flow rate limiting valve for pipes for liquid or gaseous fluids of the type comprising a cup plug which extends telescopically from an ogival chamber contained in the valve body, and communicates...
3901266 Pressure control valves  
A fluid flow control is provided with a piston member slidable to control flow between an inlet and outlet. The position of the piston is determined by the pressure in a chamber and this is...
3874410 Coupler valve assembly  
A valve assembly of a coupler which includes a first valve member normally sealing the coupler unless engaged by a cooperating coupling element, and a second valve member responsive to variations...
3865128 Pressure regulating and shut-off valve  
An inline pressure regulating and shutoff valve having a modulated open position wherein fluid is caused to flow from an inlet port to an outlet port at a constant predetermined pressure, and...
3792716 INLINE VALVE WITH REVERSE PRESSURE CLOSING MEANS  
An inline valve for a pressurized fluid system including a sleeve type closure member, a pilot valve and a control valve wherein during normal flow operation the control valve operates to open and...
3792713 PRESSURE REGULATOR WITH FLOW LIMITER  
An inline fluid flow control valve having a pressure regulating means for modulating the valve position to maintain a relatively constant output pressure and a fluid flow limiting means for...
3789866 PRESSURIZED FLUID VALVES  
A valve for controlling the flow of pressurized fluid comprising a hollow, cylindrical valve body having a hollow, cylindrical obturator slidably mounted therein, the exterior of the obturator...
3750693 SOLENOID OPERATED VALVE  
A solenoid operated valve for use within an aircraft fuel area which permits the air to enter an air intake at a forwardly-located point in the aircraft and then to flow through the valve and into...
Matches 1 - 50 out of 159 1 2 3 4 >