| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 01/01/2014 | CN102242711B High-temperature resistant high-pressure-rise type Roots blower |
| 01/01/2014 | CN102080655B 涡旋压缩机 Scroll Compressor |
| 01/01/2014 | CN102052320B Method for calibrating pneumatic actuators and calibrated actuator obtainable with this method |
| 12/31/2013 | CA2737121C Compressor |
| 12/31/2013 | CA2725604C Rotary sliding vane compressor |
| 12/27/2013 | WO2013189931A2 Automotive volumetric vacuum pump |
| 12/26/2013 | US20130344132 Sustained-release liposomal anesthetic compositions |
| 12/26/2013 | US20130343941 Scroll compressor |
| 12/25/2013 | EP2677173A1 Process for manufacturing casing, and vacuum pump |
| 12/25/2013 | EP2677118A1 Automotive volumetric vacuum pump |
| 12/25/2013 | CN203362517U Double-cavity air compressor |
| 12/25/2013 | CN203362516U Rotary compression device |
| 12/25/2013 | CN103477081A Process for manufacturing casing, and vacuum pump |
| 12/25/2013 | CN103477080A 真空泵 Vacuum pump |
| 12/25/2013 | CN103477079A Scroll compressor |
| 12/25/2013 | CN103477078A Scroll compressor |
| 12/25/2013 | CN103477077A Scroll compression device and method for magnetizing scroll compression device |
| 12/25/2013 | CN103477076A Scroll refrigeration compressor |
| 12/25/2013 | CN103470511A Muffler device of Roots blower air exhaust port and manufacturing method of muffler device |
| 12/25/2013 | CN103470506A Oil free air compressor |
| 12/25/2013 | CN103470503A Sliding-vane refrigerating compressor for axial by-pass capacity adjustment |
| 12/25/2013 | CN103470502A 涡旋压缩机 Scroll Compressor |
| 12/25/2013 | CN103470501A Scroll compressor |
| 12/25/2013 | CN103470500A Scroll compressor |
| 12/25/2013 | CN102062090B 涡旋压缩机 Scroll Compressor |
| 12/25/2013 | CN102037245B Methods and systems for injecting liquid into screw compressor for noise suppression |
| 12/24/2013 | US8613610 Variable displacement pump |
| 12/24/2013 | US8613609 Bi-metal pump gear |
| 12/24/2013 | US8613270 Rotary energy converter with retractable barrier |
| 12/24/2013 | US8613269 Internal combustion engine with direct air injection |
| 12/24/2013 | DE10248448B4 Gaskompressor Gas compressor |
| 12/19/2013 | WO2013187181A1 Screw compressor |
| 12/19/2013 | WO2013187082A1 Scroll fluid machine |
| 12/19/2013 | WO2013186974A1 Scroll compression device |
| 12/19/2013 | WO2013186944A1 Scroll fluid machine |
| 12/19/2013 | WO2013132237A3 Rotor mechanism |
| 12/19/2013 | WO2013023954A3 Roots pump |
| 12/19/2013 | WO2012080613A3 Scroll refrigeration compressor |
| 12/19/2013 | WO2011151554A3 Scroll refrigeration compressor |
| 12/19/2013 | DE102013211185A1 Spindle compressor used in industry, has oil storage chamber which is provided in the space between the inner housing and outer housing |
| 12/19/2013 | DE102012210257A1 Pump for conveying of fluid, has pivoting wings articulated at outer ring and rotor core by hinges, where rotor core- and outer ring-side bushes of hinges are defined by recesses in rotor core and outer ring |
| 12/19/2013 | DE102012011822A1 Spindle compressor drive for use as e.g. dry screw compressor for compressing gas for industrial application in vacuum, has externally toothed drive gear with tooth radius of specific value of distance of spindle rotor pair |
| 12/19/2013 | DE102012011820A1 Dual shaft rotary positive displacement machine for conveying and compression of gases, forms cooling fluid exit of spindle rotor internal cooling in brush seal component so that spindle rotor wetted by fluid veil is possible |
| 12/19/2013 | DE102011121365B4 Spiralverdichter mit axial verschiebbarem Spiralblatt Scroll compressor with axially movable spiral blade |
| 12/18/2013 | EP2673509A2 Lubricant control valve for a screw compressor |
| 12/18/2013 | CN203348083U Rotary compressor, double-cylinder rotary compressor and refrigeration circulating device |
| 12/18/2013 | CN203348082U Compressor for medium and small sized automobile air conditioners |
| 12/18/2013 | CN203348081U Positive displacement pump assembly |
| 12/18/2013 | CN203348080U Energy-saving single-screw compressor |
| 12/18/2013 | CN203348079U Oil associated gas vortex compressor |
| 12/18/2013 | CN103459852A Lubricant control valve for screw compressor |
| 12/18/2013 | CN103459851A 涡旋式压缩机 Scroll compressor |
| 12/18/2013 | CN103459850A Scroll compressor |
| 12/18/2013 | CN103459849A 涡旋压缩装置 Scroll compression device |
| 12/18/2013 | CN103452853A Oil injection device of scroll air compressor |
| 12/18/2013 | CN103452851A Axial back pressure film for electric vehicle scroll compressor |
| 12/18/2013 | CN103452842A Compressor |
| 12/18/2013 | CN103452841A Double-screw compressor |
| 12/18/2013 | CN103452840A Electric scroll compressor realizing two-stage compression and middle injection for automobile heat pump |
| 12/18/2013 | CN103452839A Inner screw rod type fluid conveying equipment |
| 12/18/2013 | CN102678182B Star-spinning type rotation device with double sun wheels, engine and fluid machine |
| 12/18/2013 | CN101963154B Rotary compressor, its manufacture method and device |
| 12/18/2013 | CN101886628B Scroll compressor |
| 12/17/2013 | US8608465 Positive-displacement rotary pump having a positive-displacement auxiliary pumping system |
| 12/12/2013 | WO2013183609A1 Gas compressor |
| 12/12/2013 | WO2013183545A1 Gas compressor |
| 12/12/2013 | WO2013183436A1 Gas compressor |
| 12/12/2013 | DE19964598B4 Vakuumpumpe Vacuum pump |
| 12/11/2013 | CN203335399U Oil-free slip sheet type air compressor |
| 12/11/2013 | CN203335398U High-efficiency screw compressor |
| 12/11/2013 | CN103443465A Rotational clap suction/pressure device |
| 12/11/2013 | CN103443464A 涡旋压缩机 Scroll Compressor |
| 12/11/2013 | CN103443463A 涡旋压缩装置 Scroll compression device |
| 12/11/2013 | CN103443462A Method for assembling and manufacturing scroll compressor, and the scroll compressor |
| 12/11/2013 | CN103443400A Vacuum pump with longitudinal and annular seals |
| 12/11/2013 | CN103438002A Intelligent monitoring system for Roots blower |
| 12/11/2013 | CN103438000A Cylindrical fixing-rail rotor pump and cylinder fixing-rail rotor pump combined supercharging explosive motor |
| 12/11/2013 | CN103437999A Rotary compressor and air conditioner with same |
| 12/11/2013 | CN103437998A Oil-free vortex air compressor |
| 12/11/2013 | CN102330678B Moving volution floating volution type compressor |
| 12/11/2013 | CN101960146B Compressor having wire retainer |
| 12/11/2013 | CN101205916B Steam injection system of eddy compressor |
| 12/10/2013 | US8602758 Indexed positive displacement rotary motion device |
| 12/10/2013 | US8602756 Scroll type compressor having an elastic member to suppress noise and reduce variations |
| 12/05/2013 | WO2013179677A1 Rotary compressor |
| 12/05/2013 | WO2013179658A1 Compressor |
| 12/05/2013 | DE102013209666A1 Motorbetriebener kompressor The motor-driven compressor |
| 12/04/2013 | EP2669523A1 Scroll compressor |
| 12/04/2013 | CN203321830U 转子活塞压缩机 Rotary piston compressor |
| 12/04/2013 | CN203321828U 滚动转子式压缩机泵体结构及空调器 Scroll compressor rotor pump structure and air conditioners |
| 12/04/2013 | CN203321827U High-efficiency double screw rod compressor rotor line |
| 12/04/2013 | CN203321826U Half-sealed oil injecting screw booster |
| 12/04/2013 | CN203321825U Novel gear pump |
| 12/04/2013 | CN203321824U Vortex compressor as well as fixed vortex member and movable vortex member |
| 12/04/2013 | CN203321823U Scroll compressor with novel exhaust port structure and exhaust valve assembly |
| 12/04/2013 | CN203321822U Encapsulated refrigeration compressor |
| 12/04/2013 | CN103429901A Scroll-type compressor |
| 12/04/2013 | CN103429900A Ring gripping jig and scroll compressor |
| 12/04/2013 | CN103429899A 涡旋压缩装置 Scroll compression device |
| 12/04/2013 | CN103429898A Scroll compression device and assembling method for scroll compression device |