序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
21 REFRIGERANT COMPRESSOR LUBRICANT VISCOSITY ENHANCEMENT US15104647 2014-10-16 US20160312781A1 2016-10-27 Stephen L. Shoulders
A compressor assembly is provided including an inlet bearing and an outlet bearing. A rotating compressor member is support for rotation on an inlet end by the inlet bearing and on an outlet end by the outlet bearing. A plurality of connecting passages is configured to supply lubricant to the inlet bearing and the outlet bearing. A first lubricant flow path is arranged downstream from a pressure reducing orifice. The first lubricant flow path is fluidly coupled to at least one of the plurality of connecting passages. At least a portion of the first lubricant flow path is arranged in a heat exchange relationship with a hot gas in discharge port such that the lubricant within the first lubricant flow path increases in viscosity.
22 CLAW PUMP US15033158 2014-11-06 US20160273539A1 2016-09-22 Kenichi KOBAYASHI
A claw pump includes: a housing; two rotating shafts which are disposed parallel; a pair of rotors respectively fixed to the two rotating shafts; a rotary drive device driving the pair of rotors; and a suction port and discharge ports formed in a partition wall of the housing. The discharge ports are constituted by a first discharge port and a second discharge port. The first discharge port is formed at a position that communicates with an initial stage compression space formed at an initial stage of a compression stroke in a compression space that is formed by joining a first pocket and a second pocket. The claw pump includes an opening/closing mechanism which opens the first discharge port when a pressure of the initial stage compression space reaches a threshold and closes the first discharge port when the pressure does not reach the threshold.
23 SCROLL MEMBER AND SCROLL-TYPE FLUID MACHINE US15025017 2014-09-29 US20160238007A1 2016-08-18 Hiroshi KANEMITSU; Masanori AKIZUKI
A scroll member includes a base having a panel and a spiral blade provided to extend from the panel toward another scroll member, resin layer L1 formed on the base, and a plurality of grooves C formed on a surface of the resin layer. The plurality of grooves C are formed on the surface of resin layer L1. A cross section of each groove C has a shape similar to a U-shape or a semicircle in which the width decreases toward the deeper position and the rate of change in width increases toward the bottom. Grooves C are formed by moving an edge of a cutting tool along the original surface of the resin layer, which is originally formed on base LO by application or the like.
24 ANTI-FREEZE DISTRIBUTION SYSTEM US14557354 2014-12-01 US20160153454A1 2016-06-02 Eric Kuegeler; Shawn Murray
A method and system for providing radiant heat to prevent freezing, which may include an emission-free, compressed-gas motor for driving a pump for pressurizing a liquid in a closed fluid pathway. The motor may include an inlet port and an exhaust port. The inlet port may be connected to a pressurized natural gas line. The exhaust port of the motor may also be connected to the natural gas line so that natural gas is lost during operation of the motor. A burner may heat the liquid in the closed fluid pathway using natural gas from the natural gas line. The heated liquid in the closed fluid pathway may provide radiant heat at desired locations, including other pipes and storage tanks. The motor may also be used for dehydrating natural gas.
25 Vacuum pump US10658155 2003-09-08 US20040047755A1 2004-03-11 Satoru Kuramoto; Masahiro Kawaguchi; Shinya Yamamoto; Daisuke Sato; Osamu Uchiyama
A vacuum pump has a housing and a pump mechanism accommodated in the housing. An exhaust-passage forming portion is located outside of the housing. The exhaust-passage forming portion forms an exhaust passage, which exhaust passage guides gas discharged from the pump mechanism toward the outside of the vacuum pump. A thermal conductor is connected to the outer surface of the exhaust-passage forming portion. The thermal conductor is made of a material having a thermal conductance of which is greater than that of the material for the exhaust-passage forming portion.
26 Mud Pump and Vacuum Gas Extraction System US16050237 2018-07-31 US20180333658A1 2018-11-22 Brian Ochoa
Methods for extracting hydrocarbon gas utilize a vacuum chamber with a mud chamber portion that is expandable and contractible. Gas is extracted at vacuum pressures.
27 Claw pump US15033158 2014-11-06 US10006459B2 2018-06-26 Kenichi Kobayashi
A claw pump includes: a housing; two rotating shafts which are disposed parallel; a pair of rotors respectively fixed to the two rotating shafts; a rotary drive device driving the pair of rotors; and a suction port and discharge ports formed in a partition wall of the housing. The discharge ports are constituted by a first discharge port and a second discharge port. The first discharge port is formed at a position that communicates with an initial stage compression space formed at an initial stage of a compression stroke in a compression space that is formed by joining a first pocket and a second pocket. The claw pump includes an opening/closing mechanism which opens the first discharge port when a pressure of the initial stage compression space reaches a threshold and closes the first discharge port when the pressure does not reach the threshold.
28 SCROLL COMPRESSOR US15448955 2017-03-03 US20170306964A1 2017-10-26 Taekyoung KIM; Kangwook LEE; Cheolhwan KIM; Byeongchul LEE
A scroll compressor is provided that may include a casing that contains oil in a lower space thereof; a drive motor provided at a position spaced from an upper end of the casing by a predetermined gap, such that an upper space is formed in the casing; a rotational shaft coupled to a rotor of the drive motor, and having an oil supply passage to guide the oil contained in the casing to an upper side of the drive motor; a frame provided below the drive motor; a fixed scroll provided below the frame, and having a fixed wrap; an orbiting scroll provided between the frame and the fixed scroll, having an orbiting wrap so as to form a compression chamber by being engaged with the fixed wrap, and a rotational shaft coupling portion to couple the rotational shaft to the orbiting scroll in a penetrating manner; and an oil collection unit including an oil separator provided at the upper space of the casing, and an oil guide having a first end that communicates with the oil separator and a second end that communicates with a lower space of the fixed scroll.
29 COMPRESSOR US15323009 2015-07-06 US20170138361A1 2017-05-18 Yasuo MIZUSHIMA; Yasuhiro MURAKAMI
A compressor includes a housing member having an injection passage communicating with a compression chamber, a check valve in the injection passage, and an injection pipe that supplies refrigerant to the injection passage. The check valve has a slidable valve body, and a valve supporting member that restricts movement of the valve body toward the injection pipe side when the check valve checks a flow of refrigerant. A center hole is formed in the valve body. A peripheral hole is formed in the valve supporting member and opposes a rim part of the valve body. Refrigerant passes through the peripheral and center holes and is supplied to the compression chamber. The center hole can be closed by the valve supporting member, and the peripheral hole can be closed by the rim part of the valve body when the check valve checks the flow of refrigerant.
30 SCROLL COMPRESSOR US15120871 2015-06-08 US20160363121A1 2016-12-15 Sadayuki YAMADA; Takeshi OGATA; Yusuke IMAI; Atsushi SAKUDA; Takashi MORIMOTO; Akihiro HAYASHI
A scroll compressor includes a pillar-shaped member that is inserted into a scroll-side engagement section formed on a stationary scroll. A lower end-face of an engagement section between the pillar-shaped member and the scroll-side engagement section is located above a lap end-face of a stationary spiral lap.
31 PERMANENT MAGNET EMBEDDED ELECTRIC MOTOR, COMPRESSOR, AND A REFRIGERATING AND AIR CONDITIONING DEVICE US15027013 2014-09-01 US20160241092A1 2016-08-18 Masahiro NIGO; Kazuchika TSUCHIDA; Kazuhiko BABA
A permanent magnet embedded electric motor includes a stator core disposed inside the frame and having a back yoke and a plurality of magnetic pole teeth; a rotor disposed on an inner diameter side of the plurality of magnetic pole teeth; and compression sections in which compression stress higher than compression stress occurring in the back yoke due to pressing force generated between the frame and the back yoke occurs. A compression section group having a set of two or more compression sections and of the plurality of compression sections is disposed on an outer circumferential section of the stator core. A sum of the rotating direction widths of the plurality of compression sections constituting the compression section group is smaller than a radial direction thickness of the frame.
32 COMBINATION VERTICAL ROTARY VANE SUCTION PUMP AND LIQUID SEPARATOR US12637853 2009-12-15 US20110143311A1 2011-06-16 Delbert L. Thomas; Christopher Lee Blackburn; Troy Smits
A compact suction and separation device is shown and described. The suction and separation device includes a pump and a separator. The pump includes a vertically oriented rotary vane pump comprising a suction inlet and an exhaust outlet. The separator includes a collector configured to receive combinations of solids, liquids and air. The separator separates solids and/or liquids from the air. Air from the separator is routed from an air discharge into the suction inlet of the pump. Solids and/or liquids are drained from a liquids/solids discharge of the separator. The separator may be gravity-based or centrifuge-type separator driven by the pump motor.
33 Vacuum pump US10658155 2003-09-08 US06874989B2 2005-04-05 Satoru Kuramoto; Masahiro Kawaguchi; Shinya Yamamoto; Daisuke Sato; Osamu Uchiyama
A vacuum pump has a housing and a pump mechanism accommodated in the housing. An exhaust-passage forming portion is located outside of the housing. The exhaust-passage forming portion forms an exhaust passage, which exhaust passage guides gas discharged from the pump mechanism toward the outside of the vacuum pump. A thermal conductor is connected to the outer surface of the exhaust-passage forming portion. The thermal conductor is made of a material having a thermal conductance of which is greater than that of the material for the exhaust-passage forming portion.
34 REFRIGERANT COMPRESSOR LUBRICANT VISCOSITY ENHANCEMENT EP14789744.1 2014-10-16 EP3084216B1 2018-07-25 SHOULDERS, Stephen L.
A compressor assembly is provided including an inlet bearing and an outlet bearing. A rotating compressor member is support for rotation on an inlet end by the inlet bearing and on an outlet end by the outlet bearing. A plurality of connecting passages is configured to supply lubricant to the inlet bearing and the outlet bearing. A first lubricant flow path is arranged downstream from a pressure reducing orifice. The first lubricant flow path is fluidly coupled to at least one of the plurality of connecting passages. At least a portion of the first lubricant flow path is arranged in a heat exchange relationship with a hot gas in discharge port such that the lubricant within the first lubricant flow path increases in viscosity.
35 PERMANENT MAGNET EMBEDDED ELECTRIC MOTOR, COMPRESSOR, AND REFRIGERATING AND AIR-CONDITIONING DEVICE EP14857137 2014-09-01 EP3065265A4 2017-12-20 NIGO MASAHIRO; TSUCHIDA KAZUCHIKA; BABA KAZUHIKO
A permanent magnet embedded electric motor includes a stator core (8) disposed inside the frame (6) and having a back yoke (8c) and a plurality of magnetic pole teeth (8d); a rotor (22) disposed on an inner diameter side of the plurality of magnetic pole teeth (8d); and a plurality of compression sections in which compression stress higher than compression stress occurring in the back yoke (8c) due to pressing force generated between the frame (6) and the back yoke (8c) occurs. A compression section group (180) having a set of two or more compression sections (18-1) and (18-2) of the plurality of compression sections is disposed on an outer circumferential section (8a) of the stator core which is an outer circumferential section of the back yoke (8c) corresponding to each of the plurality of magnetic pole teeth (8d). A sum of the rotating direction widths (A1 and A2) of the plurality of compression sections (18-1 and 18-2) constituting the compression section group (180) is smaller than a radial direction thickness (B) of the frame (6).
36 CLAW PUMP EP14860625.4 2014-11-06 EP3067563A1 2016-09-14 KOBAYASHI Kenichi

A claw pump includes: a housing which forms a pump chamber; two rotating shafts which are disposed parallel to each other inside the housing; a pair of rotors which are respectively fixed to the two rotating shafts inside the housing and are provided with hook-shaped claws meshing with each other in a non-contact state; a rotary drive device which drives the pair of rotors so as to be rotated; and a suction port and discharge ports which are formed in a partition wall of the housing. The discharge ports are constituted by a first discharge port and a second discharge port, the first discharge port is formed at a position that communicates with an initial stage compression space formed at an initial stage of a compression stroke in a compression space that is formed by joining a first pocket and a second pocket defined by the pair of the rotors and the partition wall of the housing, and the second discharge port is formed at a position that communicates with an end stage compression space formed at an end stage of the compression stroke in the compression space. The claw pump includes an opening/closing mechanism which opens the first discharge port when a pressure of the initial stage compression space reaches a threshold of atmospheric pressure or higher and closes the first discharge port when the pressure of the initial stage compression space does not reach the threshold.

37 PERMANENT MAGNET EMBEDDED ELECTRIC MOTOR, COMPRESSOR, AND REFRIGERATING AND AIR-CONDITIONING DEVICE EP14857137.5 2014-09-01 EP3065265A1 2016-09-07 NIGO, Masahiro; TSUCHIDA, Kazuchika; BABA, Kazuhiko

A permanent magnet embedded electric motor includes a stator core (8) disposed inside the frame (6) and having a back yoke (8c) and a plurality of magnetic pole teeth (8d); a rotor (22) disposed on an inner diameter side of the plurality of magnetic pole teeth (8d); and a plurality of compression sections in which compression stress higher than compression stress occurring in the back yoke (8c) due to pressing force generated between the frame (6) and the back yoke (8c) occurs. A compression section group (180) having a set of two or more compression sections (18-1) and (18-2) of the plurality of compression sections is disposed on an outer circumferential section (8a) of the stator core which is an outer circumferential section of the back yoke (8c) corresponding to each of the plurality of magnetic pole teeth (8d). A sum of the rotating direction widths (A1 and A2) of the plurality of compression sections (18-1 and 18-2) constituting the compression section group (180) is smaller than a radial direction thickness (B) of the frame (6).

38 SCROLL MEMBER AND SCROLL-TYPE FLUID MACHINE EP14849943.7 2014-09-29 EP3051135A1 2016-08-03 KANEMITSU, Hiroshi; AKIZUKI, Masanori

A scroll member includes a base having a panel and a spiral blade provided to extend from the panel toward another scroll member, resin layer L1 formed on the base, and a plurality of grooves C formed on a surface of the resin layer. The plurality of grooves C are formed on the surface of resin layer L1. A cross section of each groove C has a shape similar to a U-shape or a semicircle in which the width decreases toward the deeper position and the rate of change in width increases toward the bottom. Grooves C are formed by moving an edge of a cutting tool along the original surface of the resin layer, which is originally formed on base L0 by application or the like.

39 LOW-BACKPRESSURE ROTARY COMPRESSOR EP14907244 2014-12-04 EP3228868A4 2018-05-23 GAO BIN; YU JIJIANG; GUO HONG
A low-backpressure rotary compressor (100) comprises a housing (10), a compression mechanism, an oil separator (18) for performing oil-gas separation on a refrigerant discharged from a cylinder (12), and an oil pool (5) for accommodating lubricating oil separated by the oil separator (18). The compression mechanism comprises a cylinder assembly, a piston (13), a slide sheet (14), a main bearing (11) and an auxiliary bearing (12). The cylinder (12) has a slide-sheet chamber (2), the slide-sheet chamber (2) is provided with an oil supply hole, and when the slide sheet (14) moves in a reciprocating manner, the tail end of the slide sheet (14) stretches into or out of the slide-sheet chamber (2) so that the internal volume of the slide-sheet chamber (2) changes between a maximum volume V2 and a minimum volume V1. The oil pool (5) communicates with the oil supply hole via a slide-sheet oil supply path (3). The ratio of the maximum volume V2 to the minimum volume V1 satisfies the following relationship: 35%‰¤V1/V2‰¤85%.
40 SCROLL MEMBER AND SCROLL-TYPE FLUID MACHINE EP14849943 2014-09-29 EP3051135A4 2017-08-02 KANEMITSU HIROSHI; AKIZUKI MASANORI
A scroll member includes a base having a panel and a spiral blade provided to extend from the panel toward another scroll member, resin layer L1 formed on the base, and a plurality of grooves C formed on a surface of the resin layer. The plurality of grooves C are formed on the surface of resin layer L1. A cross section of each groove C has a shape similar to a U-shape or a semicircle in which the width decreases toward the deeper position and the rate of change in width increases toward the bottom. Grooves C are formed by moving an edge of a cutting tool along the original surface of the resin layer, which is originally formed on base L0 by application or the like.
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