专利检索_ 专门适用于弹性流体的旋转活塞式泵专利检索_ 专门适用于弹性流体的旋转活塞式泵专利检索查询

子分类：

序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
101	Compressor	US8489749	1949-04-01	US2580006A	1951-12-25	LANE DENSHAM COSTIN

102	Compressor	US571235	1935-02-09	US2102345A	1937-12-14	WISHART WILLIAM W

103	Motor compressor	US50911231	1931-01-16	US1881344A	1932-10-04	APPLE VINCENT G

104	AN ARRANGEMENT AND A METHOD FOR MONITORING AN AIR FLOW IN A DRILL RIG	PCT/US2009002668	2009-04-29	WO2009139825A8	2010-12-09	KRAINER PER; JIAO DEYI
The present invention relates to an arrangement in a rock drill rig 10 comprising an inlet valve 31 arranged upstream a displacement compressor 32 that is used for supplying an air flow 34 to at least one flushing hole 23 in the surface of a drill bit 20. The drill rig 10 further comprising an regulator 35 arranged to regulate the system pressure in the air flow path 34 downstream the compressor and means for detecting an flow of air through the at least one flushing hole 23 in the surface of the drill bit. The detecting means comprises a pressure sensor 36, arranged between the air regulator 35 and the inlet valve 31, adapted to measure the reduced system pressure.
105	Rotary compressor, method of manufacturing a rotary compressor, and apparatus for manufacturing a rotary compressor	US14591410	2015-01-07	US10047748B2	2018-08-14	Youngboo Son; Jonghun Ha; Seungmock Lee
A rotary compressor, a method of manufacturing a rotary compressor, and an apparatus for manufacturing a rotary compressor are provided. The rotary compressor may include a case having an inner space, a stator to which power may be applied, the stator being disposed in the case, and a compression mechanism disposed on or at one side of the stator to generate a compression force of a refrigerant. The compression mechanism may include a rotational shaft, a cylinder that accommodates a roller coupled to the rotational shaft, a main bearing coupled a first side of the cylinder, and a sub bearing coupled to a second side of the cylinder. The main bearing may be press-fitted and fixed to an inner surface of the case.
106	COMPRESSOR WITH LIQUID INJECTION COOLING	US15819762	2017-11-21	US20180106255A1	2018-04-19	Pedro SANTOS; Jeremy PITTS; Andrew NELSON; Johannes SANTEN; John WALTON; Mitchell WESTWOOD; Harrison O'HANLEY
A positive displacement rotary compressor is designed for near isothermal compression, high pressure ratios, high revolutions per minute, high efficiency, mixed gas/liquid compression, a low temperature increase, a low outlet temperature, and/or a high outlet pressure. Liquid injectors provide cooling liquid that cools the working fluid and improves the efficiency of the compressor. A gate moves within the compression chamber to either make contact with or be proximate to the rotor as it turns.
107	SCREW COMPRESSOR DRIVE CONTROL	US15676220	2017-08-14	US20170343261A1	2017-11-30	David M. FOYE; Nathan T. WEST; Dennis M. BEEKMAN; John R. SAULS
An embodiment of method used to control operation of a screw compressor of a refrigeration system may include receiving status signals regarding operation of the screw compressor of the refrigeration system. The method may further include determining an operating point of the screw compressor based upon the received status signals, and selecting a torque profile for the screw compressor based upon the operating point. The method may also include driving the screw compressor per the selected torque profile. Refrigeration systems and compressor systems suitable for implementing the method are also presented.
108	Vacuum pump	US13885054	2011-12-06	US09624927B2	2017-04-18	Rudolf Bahnen; Uwe Drewes; Klaus Rofall; Markus Loebel
The invention relates to a vacuum pump, in particular a screw pump, having preferably two displacement body shafts (2, 3), coupled via a gearing, which drive displacement bodies (12, 13), and having an inner recess (14), extending in the direction of a geometric axis (A) of the displacement body shaft (2, 3), in which a tubular body (20) extends for conducting cooling fluid while leaving a free space between an inner surface of the recess (14) and an outer surface of the body (20). To provide a vacuum pump which has a configuration having a simple construction and which is effective with regard to cooling power, it is proposed that the body (20) is in addition secured in a separate cover part (15) mounted on the suction-side end of the displacement body (12, 13), and that the free space is formed, at least in part, directly between the body (20) and the inner surface of the displacement body (12, 13) and extends continuously from the cover part (15) to a securing region of the body (20) in the displacement body shaft (2, 3), in a region of the displacement body shaft (2, 3) associated with the motor/gearing housing (4) of the displacement body shaft (2, 3).
109	Compressor	US15100576	2014-12-02	US09608490B2	2017-03-28	Keiji Aota; Akinobu Ishizaki
A compressor includes a casing, a compression mechanism arranged inside the casing, a motor arranged inside the casing, and an insulation sheet. The motor drives the compression mechanism. The motor is a concentrated-winding motor having a stator that has a plurality of teeth, and an insulator adjacent to the stator, with windings wound about the teeth with the insulator interposed between the windings and the teeth. The insulation sheet is arranged between the casing and crossover wires of the windings.
110	COMPRESSOR	US15264559	2016-09-13	US20170067468A1	2017-03-09	Pedro SANTOS; Jeremy PITTS; Andrew NELSON; Johannes SANTEN; John WALTON; Mitchell WESTWOOD; Harrison O'HANLEY
A positive displacement rotary compressor is designed for near isothermal compression, high pressure ratios, high revolutions per minute, high efficiency, mixed gas/liquid compression, a low temperature increase, a low outlet temperature, and/or a high outlet pressure. Liquid injectors provide cooling liquid that cools the working fluid and improves the efficiency of the compressor. A gate moves within the compression chamber to either make contact with or be proximate to the rotor as it turns.
111	Scroll compressor including communication hole with improved back pressure chamber and back pressure hole locations	US13672846	2012-11-09	US09541083B2	2017-01-10	Kitae Jang; Inho Won; Junchul Oh; Yanghee Cho; Byeongchul Lee
A scroll compressor is provided. The scroll compressor may include a communication hole formed in a fixed scroll for communicating a discharge space and a thrust bearing surface with each other. This may reduce frictional loss between the fixed scroll and an orbiting scroll. Further, if a high vacuum state is about to occur during operation of the compressor, refrigerant in the discharge space may be introduced into the compression chambers through the communication hole. This may prevent the occurrence of a high vacuum state to thereby prevent damage to the compressor. Additionally, when the compressor is stopped, a pressure equilibrium operation may be performed through the communication hole.
112	ELECTRIC MOTOR WITH EMBEDDED PERMANENT MAGNET, COMPRESSOR, AND REFRIGERATION/AIR-CONDITIONING DEVICE	US14909497	2013-09-25	US20160172913A1	2016-06-16	Kazuhiko BABA; Masahiro NIGO; Kazuchika TSUCHIDA; Atsushi ISHIKAWA
In an interior permanent magnet motor, at least one magnetic pole center slit and a plurality of side slits are formed between a rotor outer peripheral surface of a rotor and a radially-outer insertion hole contour surface of a magnet insertion hole. The plurality of side slits are formed so that at least one side slit is formed on each of both sides of the magnetic pole center slit in a width direction. The area of the magnetic pole center slit is smaller than the area of each of the plurality of side slits. A width of each of the plurality of side slits is larger than an interval between the adjacent slits.
113	COMPRESSOR WITH LIQUID INJECTION COOLING	US14994964	2016-01-13	US20160131138A1	2016-05-12	Pedro SANTOS; Jeremy PITTS; Andrew NELSON; Johannes SANTEN; John WALTON; Mitchell WESTWOOD; Harrison O'HANLEY
A positive displacement rotary compressor is designed for near isothermal compression, high pressure ratios, high revolutions per minute, high efficiency, mixed gas/liquid compression, a low temperature increase, a low outlet temperature, and/or a high outlet pressure. Liquid injectors provide cooling liquid that cools the working fluid and improves the efficiency of the compressor. A gate moves within the compression chamber to either make contact with or be proximate to the rotor as it turns.
114	Scroll expander with adiabatic layer	US13867342	2013-04-22	US09316223B2	2016-04-19	Atsushi Unami; Tamotsu Fujioka
Provided is a double rotation type scroll expander, aiming at protecting a bearing that supports drive shaft a drive shaft and the like from the heat of a working medium when a working medium introduction hole is provided in the drive shaft. The working medium introduction hole is drilled into the drive shaft such that the high-temperature, high-pressure working medium is supplied to expansion chambers through the working medium introduction hole. An adiabatic sleeve that forms a part of the working medium introduction hole is attached to the drive shaft in an internal region of roller bearings that support the drive shaft and a driven scroll body rotatably. Heat transfer from the working medium to the roller bearings is suppressed by the adiabatic sleeve, whereby the roller bearings are prevented from deteriorating.
115	Compressor with liquid injection cooling	US13782845	2013-03-01	US09267504B2	2016-02-23	Pedro Santos; Jeremy Pitts; Andrew Nelson; Johannes Santen; John Walton; Mitchell Westwood; Harrison O'Hanley
A positive displacement rotary compressor is designed for near isothermal compression, high pressure ratios, high revolutions per minute, high efficiency, mixed gas/liquid compression, a low temperature increase, a low outlet temperature, and/or a high outlet pressure. Liquid injectors provide cooling liquid that cools the working fluid and improves the efficiency of the compressor. A gate moves within the compression chamber to either make contact with or be proximate to the rotor as it turns.
116	Double rotation type scroll expander and power generation apparatus including same	US13868563	2013-04-23	US09175683B2	2015-11-03	Atsushi Unami; Tamotsu Fujioka; Kazuaki Sato
A double rotation type scroll expander that expands steam includes a first drive scroll, a second drive scroll, a driven scroll, a rotation mechanism that supports the driven scroll rotatably, and a revolving mechanism that couples the driven scroll to the first drive scroll and the second drive scroll to be capable of revolving relative thereto. The revolving mechanism includes: a plurality of metal revolving pins provided respectively between a first drive end plate of the first drive scroll and a first driven arm of the rotation mechanism and between a second drive end plate of the second drive scroll and a second driven arm of the rotation mechanism; and a plurality of metal revolving discs provided in relation to the respective revolving pins and disposed such that respectively corresponding revolving pins are coupled thereto eccentrically.
117	Scroll refrigeration compressor with improved retaining means and bypass valves	US13994952	2011-11-29	US09103341B2	2015-08-11	Jean-Francois Le Coat; Mickael Bron; Pierre Ginies; Dominique Gross; Franck Meynand
The scroll compressor includes stationary and moving volutes each including a scroll plate provided with a spiral wrap, the spiral wraps defining the variable-volume compression chambers, a delivery conduit including a first end emerging in a central compression chamber and a second end designed to be communicated with a delivery chamber, a delivery valve movable between closing and opening positions for closing and opening at least one delivery opening arranged to communicate the delivery conduit and the delivery chamber, at least one bypass valve associated with a bypass passage arranged to communicate the delivery chamber with an intermediate compression chamber. The compressor includes a retaining plate mounted on the scroll plate of the stationary scroll and on which first and second retaining elements are formed, the latter being arranged to limit respectively the amplitude of movement of the delivery valve and of each bypass valve toward the opening position thereof.
118	ROTARY COMPRESSOR, METHOD OF MANUFACTURING A ROTARY COMPRESSOR, AND APPARATUS FOR MANUFACTURING A ROTARY COMPRESSOR	US14591410	2015-01-07	US20150192129A1	2015-07-09	Youngboo SON; Jonghun HA; Seungmock LEE
A rotary compressor, a method of manufacturing a rotary compressor, and an apparatus for manufacturing a rotary compressor are provided. The rotary compressor may include a case having an inner space, a stator to which power may be applied, the stator being disposed in the case, and a compression mechanism disposed on or at one side of the stator to generate a compression force of a refrigerant. The compression mechanism may include a rotational shaft, a cylinder that accommodates a roller coupled to the rotational shaft, a main bearing coupled a first side of the cylinder, and a sub bearing coupled to a second side of the cylinder. The main bearing may be press-fitted and fixed to an inner surface of the case.
119	Motor-driven compressor with intermittent communication between back pressure region and suction pressure region	US13801424	2013-03-13	US09068570B2	2015-06-30	Takuro Yamashita; Ken Suitou; Kazuhiro Kuroki; Satoru Egawa
A motor-driven compressor includes a back pressure region that pushes a movable scroll against a fixed scroll. The back pressure region is located at a side of the movable scroll located proximate to an opposing member. A defining portion, which is arranged on a movable end face, contact an opposing end face to define the back pressure region and a suction pressure region. The opposing member includes a communicating portion. An orbiting motion of the movable scroll moves the defining portion. This intermittently communicates the communicating portion with the back pressure region and the suction pressure region.
120	Coating equipment for composite membrane without diffusion pump and its thickness gauge for both thick and thin coatings	US14063198	2013-10-25	US20150114289A1	2015-04-30	Shengfan Chen; Xiandong Chen; Yuna Jiang; Shengzhen Chen; Fajie Chen
A coating equipment for composite membrane without diffusion pump and its thickness gauge for both thick and thin coatings comprises a coating equipment for composite membrane without diffusion pump and a thickness gauge for both thick and thin coatings. A vacuum pump system of the coating equipment for composite membrane without diffusion pump is a roots-type pump system. Compared to conventional diffusion pumps, roots-type pump have advantages of low energy consumption, stable performance, good vacuum-pumping effect, short starting time, etc.

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