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US20120134863 SCROLL PUMP  
The present application relates to a scroll pump (10) which comprises two scrolls (20, 22) which are co-operable for pumping fluid from an inlet to an outlet on relative orbiting motion of the...
US20140170009 Scroll Liquid Pump  
An orbiting scroll having three sets of wraps is combined on a fixed scroll having three sets of wraps integral to a frame facing each other. The orbiting scroll is adhered on the fixed scroll by...
US20120294748 Sealed Scroll Compressor for Helium  
A sealed scroll compressor for helium having a stationary scroll, an orbiting scroll, and an oil-injection mechanism. The oil-injection mechanism has an oil-injection pipe arranged to pass through...
US20120134862 SCROLL PUMP  
The present invention relates to a scroll pump (10) comprising two scrolls (20, 22) which are co-operable for pumping fluid from an inlet (24) to an outlet (26) on relative orbiting motion of the...
US20130224054 SCROLL COMPRESSOR  
A scroll compressor is provided. The scroll compressor may include a discharge cover that separates a suction space and a discharge space of an airtight container. The discharge cover may be...
US20150078945 SCROLL COMPRESSOR  
A scroll compressor (10), comprising a fixed scroll (150), a movable scroll (160) and a drive shaft (30); the scroll compressor (10) further comprises a movable scroll counterweight (40); the...
US20140294638 Thermal/Noise Management in a Scroll Pump  
The speed of a cooling fan of a scroll pump is controlled such that fan-generated noise can be kept low. The scroll pump includes a pump head, a pump motor, the fan, a controller and one or more...
US20140154123 Scroll Pump  
The present invention relates to a scroll pump with two scrolls that are co-operable for pumping fluid from an inlet to an outlet on relative orbiting motion of the scrolls. Each scroll comprises...
US20130081424 SCROLL COMPRESSOR AND AIR CONDITIONER INCLUDING THE SAME  
Provided is a scroll compressor, which includes a stationary scroll including a first wrap, an orbiting scroll including a second wrap, wherein the orbiting scroll and the stationary scroll are...
US20140348679 SCROLL COMPRESSOR  
A compressor may include non-orbiting scroll, an orbiting scroll, and a bearing housing. The non-orbiting scroll may include a recess. The orbiting scroll may be intermeshed with the non-orbiting...
US20140037484 Oil Equalization Configuration for Multiple Compressor Systems Containing Three or More Compressors  
A method of operating a refrigeration system having at least three compressors, in which each compressor has an oil sump with oil at an oil level. The method includes separately connecting the oil...
US20130216416 Scroll Compressor  
The lap shapes of a fixed scroll and an orbiting scroll are configured in an asymmetric tooth profile. In the bed plate of an orbiting scroll, a fluid effluence channel communicating with an...
US20130343941 SCROLL COMPRESSOR  
A scroll compressor includes an oil recollecting pump for recollecting oil discharged from a shell, thus to effectively recollect oil discharged out of the compressor. A differential pressure hole...
US20080063552 Single-vane rotary pump or motor  
A rotary vane pump or motor comprising a housing (16) with cylindrical inner peripheral wall defining a cavity, and a rotor (20) with cylindrical peripheral surface and a socket (41) internal to...
US20140219849 BRANCH COMMUNICATION VALVE FOR A TWIN SCROLL TURBOCHARGER  
Methods and systems are provided for a branch communication valve in a twin turbocharger system. A branch communication valve may be positioned adjacent to a dividing wall separating a first...
US20110300012 SCROLL EXPANSION MACHINE  
The rotating shaft is connected to the generator; the high-pressure steam s is introduced to the expansion chamber b through the guide passage; when the energy of the high-pressure steam s during...
US20110256010 SCROLL COMPRESSOR  
A scroll compressor that suffers no decrease in compression performance due to leakage resulting from a twisting assembly error is provided. This scroll compressor includes a fixed scroll and an...
US20140017108 SCROLL COMPRESSOR  
A scroll compressor (10) includes a bearing oil supply passage (70) configured to supply a refrigeration oil from an oil reservoir (18) located in a casing (15) to a bearing of a driving shaft...
US20060099096 Scroll pump system  
The present invention provides a scroll pump device comprising external and internal scroll members, and wherein the scroll pump device is separated into inner and outer zones. The flow streams in...
US20110129362 WATER-INJECTION TYPE SCROLL AIR COMPRESSOR  
Disclosed is a water-injection type scroll air compressor whose pre-stopping operation time for drying can be reduced while enhancing compressor efficiency. The compressor body 1 includes a water...
US20120258002 ELECTRIC MACHINE  
A three-phase, high voltage motor for use in a scroll compressor includes a stator core having an annular rim and a plurality of teeth extending radially inward from the rim. Aluminum windings are...
US20120100026 SCROLL COMPRESSOR  
A scroll compressor comprises two scrolls (40, 46) having respective scroll plates (42, 48) and respective scroll walls (44, 50). The scroll walls intermesh so that on relative orbital movement of...
US20070231171 DISPLACEMENT TYPE COMPRESSOR  
A displacement type compressor includes a compressing mechanism section for performing a compression, a motor for driving the compressing mechanism section, and a crankshaft adapted to be driven...
US20080159893 Thermally compensated scroll machine  
The scroll machine has a first and a second scroll member each having intermeshed scroll wraps. A compensation member is attached to one of the scrolls. As the scroll machine warms to operating...
US20090180909 Scroll-Type Apparatus  
Scroll-type pumping apparatus comprises a stator (104) comprising a fixed scroll member (106) having an end plate with a first spiral wrap (110) extending therefrom; an orbital scroll member (108)...
US20140322056 VACUUM PUMP HAVING EXPANSION CHAMBER AND METHOD OF ACHIEVING ULTIMATE PRESSURE STATE IN A VACUUM PUMP USING AN EXPANSION CHAMBER  
A vacuum pump and a method of controlling the operation of the vacuum pump employ an expansion chamber to reduce a pressure differential between an inlet side and an exhaust side of the pump. In...
US20130259725 ROTARY COMPRESSOR  
A rotary compressor includes an oiling mechanism that contains a vertical fitting hole formed on a countershaft portion in the lower part of the rotating shaft, and an oil pipe having an inlet...
US20100028182 LINE FED PERMANENT MAGNET SYNCHRONOUS TYPE MOTOR FOR SCROLL COMPRESSOR WITH BYPASS PORTS  
A scroll compressor is provided with some capacity reduction technique such as a bypass port. The electric motor for driving the scroll compressor is not an induction motor, but rather a line fed...
US20090237659 High Throughput Particle Counter  
The particle counter is equipped with a scroll pump adapted to create a gas flow through the measurement chamber with a maximum flow rate of at least 50 liters per minute. Light scattered from...
US20090292395 Detection and correction of reverse operation of a compressor in a refrigeration system  
A method and system for detecting and correcting unintended reverse or backward operation of an electric motor driven scroll compressor of a refrigeration system is characterized by monitoring the...
US20090180910 HELIUM ENCLOSED COMPRESSOR  
The helium enclosed compressor uses a helium gas as a working gas, houses a compressor section and a motor section including a stator having coil ends and a stator within an enclosed vessel, and...
US20110027114 SCROLL FLUID MACHINE  
A scroll fluid machine that suppresses fluctuations in a port aperture area during each revolution of an orbiting scroll. Suction ports for sucking in a working fluid are disposed on a second base...
US20070189912 Advanced scroll compressor, vacuum pump, and expander  
Modifications of a scroll compressor provide a bellows suitable for liquid cooling and a plunger actuated seal for the scroll tips of various equipment. A bellows spans the fixed and the orbiting...
US20150192125 SCROLL PUMP  
The present invention is a scroll pump comprising two intermeshing scrolls arranged so that on relative orbital movement of the scrolls gas is pumped from an inlet to an outlet. The scrolls have a...
US20070071626 SEAL IN A SCROLL FLUID MACHINE  
In a scroll fluid machine, an orbiting scroll comprises an orbiting end plate having an orbiting wrap and a fixed scroll comprises a fixed end plate having a fixed wrap. An engagement groove is...
US20070224071 Scroll machine using floating seal with backer  
A floating seal has a lower plate, an upper plate and a pair of seals disposed between the two plates. The lower plate, the upper plate or both plates include a backer which projects outward from...
US20090208356 Scroll-type refrigeration compressor  
Compressor has a fixed scroll and a scroll movable in an orbit relative to the fixed scroll. The fixed and movable scrolls are equipped with a spiral wrap that engage each other and delimit...
US20120233805 Vacuum Motor Scroll Assembly and Vacuums Including Such an Assembly  
A scroll assembly for use with a fluid machine, such as a wet/dry vacuum appliance, is described. Such scroll assembly may include a base portion, a cover portion configured to couple to the base...
US20140147325 Water Injected Scroll Air Compressor  
A high reliability water injected scroll air compressor is provided with an orbiting scroll, a fixed scroll corresponding to the orbiting scroll, a motor that generates driving force for making...
US20090068043 Compressor Having Shell With Alignment Features  
A compressor includes a shell formed from a piece of material having first, second, third, and fourth ends. The third and fourth ends extend between the first and second ends and are coupled to...
US20100003151 REFRIGERANT SYSTEM WITH MULTI-SPEED SCROLL COMPRESSOR AND ECONOMIZER CIRCUIT  
A scroll compressor is provided with a multiple-speed motor. A control selects a speed for operating the motor, along with selecting between several available options for the system capacity...
US20090304538 MODULAR MULTI-ROTOR COMPRESSOR AND METHOD OF MANUFACTURE  
A multi-rotor compressor and method of manufacturing is provided. The compressor includes a housing with a plurality of identical planet rotors. The planet rotors are equally spaced apart at a...
US20060228243 Discharge valve structures for a scroll compressor having a separator plate  
A discharge valve is incorporated into a scroll compressor, and in a boss from a non-orbiting scroll. A valve stop is mounted in the boss, and the boss is sealed within an opening in a separator...
US20080166252 Compressor with discharge muffler  
A muffler that is externally mounted to a housing shell of a compressor. To externally mount the muffler to the housing shell and prevent unnecessary vibration of the muffler during compressor...
US20110158839 Scroll Fluid Machine  
There is provided a scroll fluid machine in which sealability is improved by uniforming a deformed shape of a fastened face of a spindle frame with respect to a fixed scroll, and compression...
US20090185931 Shaft mounted counterweight, method and scroll compressor incorporating same  
A counterweight mounted to a drive shaft in a scroll compressor is provided. The drive shaft has a central annular segment generally concentric about the central axis and an eccentric annular...
US20130251574 SCROLL COMPRESSOR WITH CAPTURED THRUST WASHER  
A load transmittal apparatus transfers an axial load to a thrust surface during operation of a scroll compressor.
US20090214370 DAMPING APPARATUS FOR SCROLL COMPRESSORS FOR OXYGEN-GENERATING SYSTEMS  
A radially compliant scroll compressor includes a fixed scroll, an orbiting scroll operatively connected to the fixed scroll, a synchronizer and at least one linkage member operatively connected...
US20140341710 CENTRIFUGAL REFRIGERANT VAPOUR COMPRESSORS  
A refrigerant compressor (10) for use in a chiller-heater system that can provide chilled water at less than 10° C. and hot water at more than 80° C. without the need for additional heat input,...
US20090185934 Scroll Compressor Bodies with Scroll Tip Seals and Extended Thrust Region  
A scroll compressor includes scroll compressor bodies with axial tip seals projecting from the respective scroll ribs of fixed and movable scroll compressor bodies. An extended thrust region is...

Matches 1 - 50 out of 382 1 2 3 4 5 6 7 8 >