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8162631 |
Floating pinion bearing for a reciprocating pump
A reciprocating pump assembly includes a power frame that houses a crankshaft. The crankshaft is mechanically connected to a large gear or bull gear on each end that is in mechanical engagement...
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8137077 |
Portable air compressor assembly and associated method
An air compressor assembly includes a base assembly including a first air cylinder and a second air cylinder each to store compressed air therein. The assembly further includes a first rearward...
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8070464 |
Retention system
While ceramic materials possess properties that make them suitable for use in fuel system components, they tend to be susceptible to failure when exposed to tensile stresses. The retention system...
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8062010 |
Thermal expansion chambers for airtight containers
A hydraulic pump has a rotor and a hollow housing with a main interior chamber. The rotor is rotatably mounted in the main interior chamber. A smaller interior chamber is separated from the main...
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7955057 |
Medical pump
The invention relates to a medical pump, especially for water jet surgery, in which a pump unit is assembled as a single use article and can be reversibly connected to a pump actuating device....
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7913508 |
Cooling device for interior and exterior surfaces of a mud pump liner
A cooling device for interior and exterior surfaces of a mud pump liner, in which one end of the suction tube 3 is connected to the water tank 2, with the other end of the suction tube 3 connecting...
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7883325 |
Helically actuated positive-displacement pump and method
First and second structures are connected by helical fibers. The orientation between the first and second structures are changed, and by doing so, the positions of the helical fibers are...
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7832991 |
Air compressor with removable manifold
An air compressor assembly includes a compressor configured to provide a source of compressed air and a manifold assembly removably coupled to the compressor and configured to distribute the...
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7819635 |
Vacuum pump with a continuous ignition source
A multi-stage vacuum pump comprises, between adjacent stages of the pump, a continuous ignition source for igniting a fuel within a pumped fluid. This can ensure that the concentration of the fuel...
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7789635 |
High-pressure pump piston/cylinder unit
A high-pressure pump piston/cylinder unit includes a pump cylinder having a piston which oscillates therein provided in a housing. The piston is connected to a controlled drive to vary a suction...
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7785683 |
Pump cylinder and method of producing a thermoplastic alloy for one such pump cylinder
The invention relates to a fluid product dispensing pump cylinder which is intended to be assembled to a fluid product tank. According to the invention, the pump cylinder is made from a...
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7762797 |
Pump
A pump includes a cylinder, a nozzle connected to an end of the cylinder, a piston movable in the cylinder, a rod connected to the piston, a ring installed at another end of the cylinder, a...
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7744354 |
Fluid pump, a fluid-transfer plate and an inductive sensor for a fluid pump
The present invention relates to a fluid pump and a fluid-transfer plate and a sensor for a fluid pump, particularly applicable to linear compressors, for detecting the position of the respective...
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7736132 |
Compressors and methods for use
A compressor suitable for use in a portable oxygen concentrator. In one exemplary embodiment, the compressor includes a crankshaft rotatable about a central axis and a plurality of diaphragm...
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7708532 |
Electric compressor
A lead wire of a motor is prevented from being damaged, and the reliability of an electric compressor is enhanced. The electric compressor 1 is provided with a division wall 80b which divides a...
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7654800 |
Mobile concrete pump and corresponding building frame
A mobile concrete pump including a building frame (22) arranged on the structure (12) of a truck chassis (10). The building frame (22) includes two longitudinal side members (50) mutually spaced...
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7625190 |
Crossover switching valve
The present invention involves several different embodiments related to a crossover switching valve. The crossover switching valve is preferably designed to receive fluid from a reservoir, or other...
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7614855 |
Pump and motor assembly
A fluid pumping system that includes a motor and a pump, wherein an output shaft of the motor is directly coupled to an input shaft of the pump. This coupling between the output shaft of the motor...
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7594801 |
Chemical liquid apparatus and deaerating method
The amount of chemical liquids dispensed by a chemical liquid supply apparatus is stabilized and dispensing accuracy is remarkably improved. A pump discharges a liquid accommodated in a liquid...
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7579727 |
Connector piece for a fuel pump
In the case of a fuel pump, a plug for fixing electric contacts is manufactured from a material which is capable of swelling with fuel, and is inserted into a receptacle of a connecting piece by...
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7524172 |
Vibration reduction structure of reciprocating compressor
A vibration reduction structure of a reciprocating compressor comprises: a case having a suction pipe for introducing a refrigerant and a discharge pipe for discharging a refrigerant at both sides...
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7435063 |
Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigeration unit
There is provided a rotary compressor capable of preventing deterioration of performance following plug fixing carried out to prevent falling-off of a spring member. The rotary compressor comprises...
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7404703 |
Air pump with apparatus to hold nozzle
An air pump has a cylinder, a shaft to be manipulative for inflation, a hose connected to the cylinder, a nozzle connected to an end of the hose and a handle pivoted on an end of the shaft. The...
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7384245 |
Compressor with rotating handle
An air compressor assembly including a rotatable handle that provides protection and structure for transporting the apparatus. The apparatus further includes a plurality of air tanks each of which...
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7377889 |
Chair providing dynamic thrust to exercise lumbar area of spine
A general use chair that is configured to provide a dynamic thrust motion to exercise the lower lumbar area of the user's spine to reduce pressure on the user's spine, joints and tissue and promote...
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7364409 |
Piston assembly for rotary hydraulic machines
A piston assembly for a hydraulic machine is formed with a part spherical cavity in the piston to receive a spherical bearing of a slipper assembly. The spherical bearing is secured in the cavity...
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7364414 |
Fluid pump system
A fluid pump system has a cover, a fluid pump and a conduit. An inside of the cover is divided into a main chamber and a sub chamber. The fluid pump is accommodated in the main chamber. The conduit...
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7273357 |
Control device for electric compressor
A control device includes a shot-pulse control unit that provides, at a time of starting a synchronous motor, a predetermined current to each phase of a stator of the motor for a short time; a...
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7255192 |
Actuated tether
A self-actuating robot or vehicle tether capable of moving itself, remaining free while traversing around obstacles, and free itself is disclosed. In a preferred embodiment of the invention, a...
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7244112 |
Pump having a removable cover
A pump includes a main body, a removable cover, an urging plate, an elastic member, and a control knob. Thus, the removable cover is locked on and unlocked from the main body easily, rapidly and...
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7163382 |
Suitcase style air compressor assembly
The present invention is directed to a suitcase style air compressor assembly having an extensible handle bar assembly and a wheel assembly. When the extensible handle bar assembly is fully...
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7153104 |
Method for introducing and activating a getter in a vacuum vessel and getter unit
To prevent partial saturation of a getter by contact with absorbable atmospheric gases when the getter is introduced into a vacuum vessel, a method for introducing and activating the getter and a...
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7150604 |
Electric box for compressor assembly
A compressor assembly includes a compressor having a known vibration frequency when operated at normal operating parameters; and an electric box assembly having a frame member mounted to the...
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7118356 |
Fluid pump with a tubular driver body capable of selective axial expansion and contraction
A fluid pump for pumping fluid. The fluid pump includes a driver having a substantially tubular shaped body defining a body axis and, a number of elements circumferentially spaced around the body....
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7108489 |
Terminal block assembly for a hermetic compressor
A terminal assembly for a hermetic compressor including a metallic disk having an interior side, an opposite exterior side, and a plurality of holes extending therethrough, the interior side of the...
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7077486 |
Enclosure for handling hazardous material
An enclosure for handling hazardous material includes a sealable housing which is configured with a first air inlet connected to a bubble gauge and a second air inlet disposed inside the housing...
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7070397 |
Compressor suction gas feed assembly
Suction gas feed assemblies to provide gas to a hermetic compressor are provided. The feed assemblies have capacity for reducing suction noise resulting from suction conduit vibration, valving...
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7063512 |
Pump stabilizer and method
A vertically-disposed pump shaft is supported by an upward force against the pump shaft during periods of non use of the pump thereby off-loading bearings normally supportive of the shaft to...
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7063521 |
Collapsible handgrip for inflator
An inflator includes a hollow handgrip and an air cylinder having a shaft. One end of the shaft is connected with a piston in the cylinder and the other end of the shaft is provided with a stud...
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7059841 |
Structure of an oil-free compressor on a vehicle
An arrangement of an oil-free compressor apparatus on a rail vehicle for supplying compressed air to pneumatic units assigned to the rail vehicle. The arrangement includes an oil-free compressor...
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7037091 |
Crankcase heater mounting for a compressor
A crankcase heater mounting and compressor system that efficiently heats the oil sump fluid in an oil sump of a crankcase. A heater well is disposed in a substantially planar section in the lower...
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7037083 |
Radiation shielding coating
A vacuum conduit connected to a vacuum pump has a shield surface which absorbs radiation to reduce the total radiation falling on the vacuum pump. The vacuum system includes the vacuum conduit...
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7025573 |
Storage container for air compressor
The present invention is directed to a suitcase style air compressor assembly having an extensible handle bar assembly, a wheel assembly, and a integral storage container. When the extensible...
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7004731 |
Diaphragm pump having a gas venting surface
A scarred surface structure on the cover curvature of a diaphragm compressor is created by shot blasting. The scarred surface structure hinders the sealing effect between the cover curvature and...
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6999840 |
Vacuum pump
A vacuum pump (10) includes a control device (20) for processing operational data and operational instructions. Further, the vacuum pump (10) includes a touch screen (40) serving as display for...
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6948921 |
Vacuum pump comprising an outlet
A vacuum pump (1, 30) has an inlet (5) and an outlet (6). Plug-in screw fittings (9) are connected with the inlet and the outlet. The plug-in screw fittings include a bore with an internal bevel...
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6942471 |
Electric fan with strain relief connection
A fan has a hub and a fan housing connected to the hub. The fan housing delimits an air passage of the fan outwardly. A fan wheel is connected to the hub and rotatably arranged in the air passage....
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6942466 |
Mechanical pumps
A mechanical pump having an inlet and spaced therefrom an outlet for the passage of fluid therethrough and incorporating at least one flame arrester.
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6942468 |
Portable hydraulic pump unit
The invention relates to a portable hydraulic pump unit (1) comprising a housing (2), a pump (5), a drive motor (6) for the pump (5), in particular in the form of an electric drive motor, in...
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6935847 |
Spontaneous inflation inhibitor for inflatable prosthesis
A pump assembly for a penile implant is provided having a mechanism which prevents spontaneous inflation of the cylinders implanted within the user. The preventative mechanism uses overpressure...
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