Patents
Patents for F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups (16,981)
06/2001
06/28/2001DE19961317C1 Vakuumpumpe, insbesondere Flügelzellenvakuumpumpe Vacuum pump, in particular vane vacuum pump
06/28/2001DE19960152A1 Verdichteranlage zur Erzeugung von Druckluft Compressor unit for generating compressed air
06/28/2001DE10063603A1 Encapsulated electric compressor has refrigerant or coolant channel with first part parallel to rotor shaft and second part connected to first part and extending radially outwards
06/27/2001EP1110001A1 Fluid compressor aftercooler temperature control system and method
06/26/2001US6253029 Vacuum processing apparatus
06/26/2001US6250899 Rotary compressor
06/26/2001US6250898 Refrigerating cycle or compressor having foreign matter collector
06/21/2001WO2001044635A1 Compressor system for producing compressed air
06/21/2001US20010004037 Electromagnetic clutch device for a compressor
06/20/2001EP1108913A2 Electromagnetic clutch device for a compressor
06/20/2001EP1108892A2 Vane type vacuum pump
06/20/2001EP1108147A1 Device for generating, accumulating and discharging compressed air
06/20/2001EP1108143A1 Dry-compressing screw pump
06/20/2001CN1299936A Electromagnetic clutch device for compressor
06/20/2001CN1067465C Scroll compressor having discharge port inserts
06/19/2001US6247910 Scroll type compressor which requires no flange portions or holes for solely positioning purposes
06/19/2001US6247907 Thin counterweight for sealed compressor
06/15/2001CA2328443A1 Electromagnetic clutch device for a compressor
06/14/2001WO2001042660A1 Scroll compressor and air conditioner
06/14/2001WO2001042659A1 Scroll type compressor
06/14/2001WO2001042656A1 Porous part for refrigerators, and method of producing the same and refrigerator
06/13/2001CN1299444A Vacuum pump
06/13/2001CN1299434A Rotating piston machine with three-blade rotors
06/12/2001US6244841 Vacuum pumps
06/12/2001CA2057032C Scroll compressor
06/07/2001WO2001040659A1 Refrigeration chiller oil recovery employing high pressure oil as eductor motive fluid
06/07/2001US20010002981 Rotary compressor with vane body immersed in lubricating fluid
06/07/2001US20010002980 Scroll compressor discharge muffler
06/06/2001CN2433429Y Air extracting nozzle of vacuum pump
06/06/2001CN2433428Y Bent tube of vacuum pump
06/06/2001CN2433427Y 真空泵旋片 Rotary vane vacuum pump
06/06/2001CN2433426Y Universal axle rotor of vacuum pump
06/06/2001CN2433424Y Totally-enclosed four-rotary system refrigeration compressor
06/05/2001US6241496 Hermetic rotary compressor
06/05/2001US6241490 Multirotor vacuum pump
06/05/2001US6240736 Refrigerating apparatus
06/05/2001CA2118475C Scroll compressor
05/2001
05/31/2001WO2001038742A1 Vacuum pump comprising an outlet
05/31/2001US20010001923 Air conditioner
05/29/2001US6237362 Internal oil separator for compressors of refrigeration systems
05/29/2001CA2216429C Gas flow and lubrication of a scroll compressor
05/29/2001CA2200290C Improved suction inlet for rotary compressor
05/29/2001CA2058618C Scroll compressor with discharge valve opened by centrifugal force
05/25/2001WO2001036824A1 Hybrid compressor
05/24/2001US20010001639 Scroll vacuum pump with improved performance
05/24/2001US20010001638 Sealed-type compressor
05/23/2001EP1101942A2 Evacuating apparatus
05/23/2001EP1101070A2 Vapor-compression evaporative air conditioning system
05/23/2001EP0788402B1 An arrangement in autoclaving systems
05/23/2001DE19955500A1 Centrifugal pump for pneumatic braking servo for automobile braking system has geometric size and/or position of control element for suction channel or discharge channel altered in dependence on pressure
05/23/2001CN2431420Y Self-repairing magnetic fluid shaft seal
05/22/2001US6234769 Hybrid type compressor driven by engine and electric motor
05/22/2001US6234768 Sealed-type electric compressor having refrigerant passage
05/22/2001US6233967 Refrigeration chiller oil recovery employing high pressure oil as eductor motive fluid
05/22/2001CA2153385C Pumping process for operating a multi-phase screw pump and pump
05/17/2001WO2001034979A1 Scroll compressor for natural gas
05/17/2001WO2001034945A1 Screw rotor machine having means for axially biasing at least one of the rotors
05/16/2001CN1295196A Enclosed rotary compressor
05/16/2001CN1295195A Sealed rotary compressor
05/15/2001US6231325 Scroll-type compressor
05/15/2001US6231317 Sealed compressor driven by a motor
05/09/2001EP0683321B1 Swinging rotary compressor
05/09/2001CN2429657Y Noiseless compressor
05/09/2001CN2429656Y Gear gas pump
05/09/2001CN1065594C 涡旋压缩机 Scroll Compressor
05/08/2001US6227831 Compressor having an inclined surface to guide lubricant oil
05/08/2001US6227830 Check valve mounted adjacent scroll compressor outlet
05/08/2001US6227828 Gear pump for use in an electrically-operated sealed compressor
05/03/2001US20010000722 Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor
05/02/2001EP1096150A2 Scroll machine
05/02/2001CN1065324C Check valve of vortex compressor
05/02/2001CN1065323C Liquid-ring type machine
05/01/2001US6224356 Check valve stop and ports
05/01/2001US6223554 Compressor provided with refrigerant and lubricant in specified relationship
04/2001
04/26/2001DE19950117A1 Spiral compressor has force-generating flexible rod mounted on housing so that it biases driven spirals against eccentric cranks of eccentric shafts
04/25/2001CN1292850A Scroll compressor with combined pressure ratio and pressure differential relief valve
04/25/2001CN1065027C Speed detector of scroll-type fluid machine
04/25/2001CN1065026C Rotative vacuum pump composed of two parts
04/24/2001US6220841 Displacement type fluid machine
04/24/2001US6220839 Scroll compressor discharge muffler
04/24/2001US6220825 Rotary-screw air compressor having a separator and a cooler fan assembly
04/19/2001WO2001028072A1 Compressor
04/19/2001US20010000320 Screw compressor
04/17/2001US6217305 Screw pumps
04/17/2001US6217303 Displacement fluid machine
04/17/2001US6216691 Mounting body
04/17/2001US6216474 Part load performance of variable speed screw compressor
04/11/2001CN1064439C Scroll compressor oil pumping system
04/10/2001US6213743 Displacement type fluid machine
04/10/2001US6213742 Scroll-type fluid mover having an eccentric shaft radially aligned with a volute portion
04/10/2001US6213732 Rotary compressor
04/10/2001US6213731 Compressor pulse width modulation
04/05/2001WO2001023762A1 Screw-type pump, especially vacuum screw-type pump, with two pump stages
04/04/2001EP1088169A1 Lubricating oil supplying arrangement for an apparatus having a rotating apparatus shaft
04/04/2001EP1088168A1 Two stage compressor and a method for cooling such a compressor
04/04/2001CN1289896A Improvement of partial load performance of speed variable helical-lobe compressor
04/04/2001CN1289895A Lubricating system of helical-lobe compressor for oil distiller
04/03/2001US6210137 Scroll fluid machine
04/03/2001US6210136 Scroll compressor and method for manufacturing an oldham ring therefor
04/03/2001US6210132 Partition means for directing air flow over a cooler in an oilless scroll compressor