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8162006 |
One-way valve for medical infusion lines and the like
A check valve for medical infusion lines and the like, includes a diaphragm made of elastic material set between a first tubular connector and a second tubular connector. The diaphragm includes an...
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8141581 |
Compressor improvements
A linear compressor has a hollow piston with crown and sidewall. The piston reciprocates in a cylinder. A piston rod connects the piston to a spring. A connection between the piston rod and the...
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8118574 |
Radial suction valve assembly for a compressor
A suction valve for a reciprocating compressor includes a hollow cylindrical valve seat having a plurality of suction ports formed therethrough. The suction ports are covered by flaps moveably...
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8079385 |
Valve assembly
The present invention is directed to a pressure-responsive valve assembly which functions in the nature of a check valve to control fluid flow across the assembly. The assembly includes a valve...
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8065816 |
Dryer drum vane
A dryer has complex angled surfaces and a plurality of grip elements thereon. The angled surfaces have varying angles of inclination relative to a base of the dryer vane and the characteristics of...
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8011363 |
Exhalation valve for use in a breathing device
An underwater breathing device, such as a snorkel, may include an exhalation valve. The exhalation valve is configured to produce positive end-expiratory pressure in the airway of a user of the...
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7905074 |
Apparatus and method for the automated manufacture of self-sealing inflatable dunnage bags
An apparatus and method for the automated manufacture of self-sealing inflatable dunnage bags includes a bag making machine. The bag making machine includes a plurality of sheet roll spindles and a...
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7905246 |
Low pressure measurement devices in high pressure environments
The present invention presents various novel approaches to solving the problems inherent in measuring biological pressures in high pressure systems. Thus, to protect a pressure transducer exposed...
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7850437 |
Multi-port suction reed valve with optimized tips
A reed valve having a plurality of tips and associated recesses is provided as a compressor suction valve with each valve tip coacting with a suction port. The recesses are located in the housing...
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7846143 |
Portable urinal with a shaped inlet and a membrane valve
A portable urinal that includes a container defining a liquid reservoir and a spout extending therefrom. The spout has an inlet for receiving a liquid. A valve assembly is disposed within the...
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7793683 |
Active intake pressure control of downhole pump assemblies
Progressive cavity pump assemblies including one or more mechanisms adapted to regulate intake pressure of the main pump between a minimum intake pressure and a maximum intake pressure. In one...
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7753070 |
Insertable component which can be inserted into a gas or liquid line
An insertable component that is embodied as a non-return element and/or as a through-flow regulator is provided which can be inserted into a gas or liquid line. The insertable component (1)...
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7617837 |
Low pressure measurement devices in high pressure environments
The present invention presents various novel approaches to solving the problems inherent in measuring biological pressures in high pressure systems. Thus, to protect a pressure transducer exposed...
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7600531 |
Valve with check valve
The invention relates to a valve with a central guide and a check valve. The check valve and valve form an integrated component, the check valve being formed by a band which is shaped into a ring...
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7575419 |
Fuel pump for an internal combustion engine
A fuel pump for an internal-combustion engine; the fuel pump is provided with: a variable-volume chamber for containing fuel; an intake valve connected to the variable-volume chamber; a delivery...
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7527073 |
Backflow preventer
The invention relates to a backflow preventer (1) integrateable into a gas or liquid pipeline (2). The inventive backflow preventer consists of a closing body (3) which is embodied in the form of a...
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7435347 |
Filter device and parts thereof and a method for operating of the filter device
A filter device has a filter housing part (10) with a filter element (12) and can be detachably connected to another filter housing part (20). A valve (24) clears a fluid path in the interconnected...
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7413007 |
Vehicle air-conditioning system
A vehicle air-conditioning system includes an air-conditioner and an air outlet for opening and closing an opening formed in a rear part of a vehicle body. A control unit causes the air outlet to...
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7392828 |
Insertion part for inserting into a gas or liquid line
An insertion part is provided in the form of a back-flow preventer and which can be inserted in a gas or liquid line. An insertion part is also provided that can be inserted into a gas or liquid...
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7390176 |
Multi-port suction reed valve with optimized tips
A reed valve having a plurality of tips and associated recesses is provided as a compressor suction valve with each valve tip coacting with a suction port. The recesses are located in the housing...
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7363939 |
Bleed valve
A bleed valve (1) for a pipe into which a non-return function is integrated. The bleed valve is preferably designed to be a thermal valve.
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7350541 |
Leakproof one-way valve for use with vacuum attachment
A one-way valve allows air to be drawn from a collapsible, flexible, airtight bag using a vacuum source. When the vacuum source is removed, the one-way valve prevents air from re-entering the bag....
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7311119 |
Valve apparatus
A valve apparatus is small, and regulates a fuel amount by restricting a lift amount of a valve. A columnar portion is formed on a pump body. The columnar portion is inserted into a check valve and...
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7302962 |
Vehicle pressure relief valve having peripherally secured flaps and method of manufacturing the same
A pressure relief valve (12) for relieving air pressure from a passenger compartment (14) of a vehicle (10) includes a base (18) having a peripheral portion (30). A central opening (42) extends...
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7302971 |
Umbrella valve and assembly
An umbrella valve includes an umbrella-valve body having a stem, a flexible umbrella, and a flange. The umbrella and the flange are each attached to, and extend radially outward from, the stem. The...
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7252110 |
Membrane valve and second stage pressure reducer for two-stage underwater regulators incorporating said valve
A membrane valve wherein the shutter disk is retained in contact with the valve seat during ejection of liquid or gas by means of one or more ribs that are substantially in contact with the shutter...
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7243683 |
Overpressure valve for the content of a package
An overpressure valve for a packaging container is disposed on the inside of the packaging material comprising the packaging container. The overpressure valve comprises a base plate, a diaphragm,...
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7243682 |
Annular one-way valve
A one-way valve with an annular nozzle. The valve body is a truncated cone with an interior fluid manifold. The truncated cone section includes a lower retaining groove and a fluid groove. A fluid...
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7243676 |
Combination umbrella and inverted bi-directional valve
A combination valve including a valve body having an inverted bi-directional valve portion and an umbrella portion is disclosed. In accordance with one aspect of the invention, a combination valve...
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7228875 |
Seal and bleed valve unit for electric batteries
Sealing and breathing valve assembly for accumulators comprising: at least one substantially tubular collar associated to the cover of said accumulator and suitable for connecting the external...
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7201189 |
Reed valve and reed valve assembly
A reed valve having a plate shaped support substrate with a valve hole formed in a central section passing through in a plate thickness direction is provided. A flexible plate-shaped reed covering...
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7182093 |
Vehicle pressure relief valve having centrally secured flaps and method of manufacturing the same
A pressure relief valve (12) for relieving air pressure from a passenger compartment (14) of a vehicle (10) includes a base (18) having a central portion (26) and a peripheral portion (28). A...
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7128089 |
Flow control providing stable fluid flow
An electro-mechanical variable fluid flow restrictor includes a support having a passage and a seal surface, a deformable seal that is engageable with the seal surface, and a bias member for...
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7082967 |
Modular umbrella valve
An umbrella valve includes an elastic cap, and an elastic stem formed integrally with the cap, having a center hollow portion, having an enlarged hollow portion proximate the cap, and having a...
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7059344 |
Discharge valve mechanism for variable displacement compressor
A discharge valve mechanism has a plurality of discharge openings. The discharge openings are placed in an open or closed state by a plate-like valve element. Each of the discharge openings is...
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7044164 |
Flap-type vehicle cabin exhauster
A pressure relief valve (10) includes a housing (20) defining an air flow passage (34). A flap (90) overlies the air flow passage (34). At least a portion (92, 94) of the flap (90) is movable, in...
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7040345 |
Unidirectional valves and methods of their use
The invention provides a flap valve for controlling the air pressure within a protected space defined by walls, the flap valve having a valve flap, articulated at least indirectly to the surface of...
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7011103 |
Vacuum relief assembly for I.C. engine intakes
A Vacuum Relief Assembly for I.C. Engine Intakes is disclosed. Also disclosed is a device that permits outside air into the intake tract of an internal combustion engine in the event of an...
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7004734 |
Reciprocating refrigerant compressor
An inlet port 15 is divided into a plurality of holes 15a, 15b, 15c, 15 by ribs 61a, 61b, 61c. For example, when liquid refrigerant is compressed within a compression chamber, the inlet valve 21...
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6997206 |
Pressure Compensating valve
This invention relates to a pressure compensating valve and more particularly, but not exclusively, to a balanced pressure compensating valve, or regulator. The valve includes a chamber (6) for...
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6988949 |
Constant velocity joint vent valve
A vent valve for use in a constant velocity joint having a vent aperture in communication with a joint chamber comprises a body having a first end and a second end and at least one flat extending...
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6968863 |
Non-return valve
A non-return valve having a circumferential face and a channel with a mouth at one end of the channel and located in a groove having circumferential edges which are adjustable and fixable relative...
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6945277 |
Underpressure valve
The invention concerns an underpressure valve with a multi-part housing and a disc-like closing body which has at least one opening, and with an opening-free section disposed in alignment with the...
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6942472 |
Head pressure relief assembly
A head pressure relief assembly for relieving pressure in the head assembly of an air compressor may include an exhaust valve post formed in the head assembly and an exhaust valve assembly...
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6923181 |
Nasal mask
A system is disclosed comprising a high pressure gases source: for example a compressor, a low cross section conduit adapted to convey gases from the compressor, and a patient interface delivering...
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6913450 |
Suction valve coupling structure for reciprocating compressor
A suction valve coupling structure for a reciprocating compressor is disclosed in which a piston being linearly moved in a cylinder upon receipt of driving force from an electric mechanism unit,...
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6899126 |
Check valve and valve arrangement comprising such a check valve
A check valve is mounted in a valve arrangement having a valve member with an annular channel and at least one bore opening into the annular channel. The check valve has a closing element...
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6848471 |
In-line check valve
A check valve is placed in a conduit for pressurized fluids, and comprises a cylindrical external housing having inlet and outlet ends, a cylindrical internal spigot, and an elastomeric sleeve...
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6840745 |
Diaphragm pump including a wobble plate
A diaphragm pump comprises a two part casing formed of a front cover (10) and a back cover (12). A diaphragm plate (14) extends across the covers (10,12) and is secured therebetween when the covers...
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6837268 |
Evacuable container having one-way valve with filter element
A one-way valve allows air to be drawn from a collapsible, flexible, air-tight bag using a vacuum source. When the vacuum source is removed, the one-way valve prevents air from re-entering the bag....
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