Patents by Inventor Masahiro Kawaguchi
Masahiro Kawaguchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20090220355Abstract: The invention has its object to provide a swash plate compressor capable of realizing demonstration of an excellent sliding characteristic when a drive shaft is rotated at high speed, and of a high refrigerating capacity when the drive shaft is rotated at low speed. With the swash plate compressor of the invention, an oil guide groove, an oil guide hole, a first hole, an outflow hole, a valve hole, a communication port, a receiving chamber, a throttle hole, and a second hole constitute a release passage. The oil guide groove, the oil guide hole, the first hole, the outflow hole, the valve hole, the communication port, the receiving chamber, and the throttle hole constitute a first passage. Also, the second hole constitute a second passage. A valve mechanism increases a ratio, at which the first passage occupies the release passage, as a drive shaft is increased in rotating speed.Type: ApplicationFiled: January 30, 2009Publication date: September 3, 2009Inventors: Takeshi Ogi, Hideki Mizutani, Sokichi Hibino, Kenji Yamamoto, Masahiro Kawaguchi, Masaki Ota, Masakazu Murase, Naoya Yokomachi
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Patent number: 7559208Abstract: A displacement control mechanism for a variable displacement compressor includes a first valve hole, a first valve body, a pressure sensing means operable to sense pressures of first and second points in a discharge pressure region to adjust a position of the first valve body, and a pressure-difference-increasing means operable to increase pressure difference between the first and second points when the pressure of a suction pressure region falls below a predetermined standard pressure. The pressure sensing means displaces the first valve body to increase an opening degree of the first valve hole according to increase of the pressure difference when the first valve hole is part of a supply passage. The pressure sensing means displaces the first valve body to decrease the opening degree of the first valve hole according to the increase of the pressure difference when the first valve hole is part of a bleed passage.Type: GrantFiled: October 3, 2005Date of Patent: July 14, 2009Assignees: Kabushiki Kaisha Toyota Jidoshokki, Daimler AGInventors: Masaki Ota, Satoshi Umemura, Masahiro Kawaguchi, Sokichi Hibino
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Publication number: 20090162221Abstract: A motor-driven compressor includes a housing having an inlet port, a compression mechanism for compression of refrigerant introduced from an external refrigerant circuit via the inlet port into the housing, an inverter having a heat-generating component, an electric motor driven by the inverter, and a rotary shaft rotated by the electric motor thereby to drive the compression mechanism. The electric motor, the compression mechanism and the inverter are aligned in the housing in axial direction of the rotary shaft. An inlet pipe is connected to the inlet port. The housing has an outer peripheral surface in contact with the inlet pipe. The heat-generating component of the inverter is disposed adjacent to or in contact with the inlet pipe so as to be thermally coupled to the inlet pipe.Type: ApplicationFiled: December 12, 2008Publication date: June 25, 2009Inventors: Masao Iguchi, Masahiro Kawaguchi, Ken Suitou, Tatsushi Mori, Hiroshi Fukasaku
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Publication number: 20090162222Abstract: A compressor includes a housing having an inlet port, a compression mechanism for compression of refrigerant introduced via the inlet port into the housing, a motor having a stator core and a coil, an inverter for driving the motor, and a rotary shaft rotated by the motor thereby to drive the compression mechanism. The compression mechanism, the motor and the inverter are aligned in the order in the housing in axial direction of the rotary shaft. The coil has a coil end projecting toward the inverter from the stator core and being disposed adjacent to an inner peripheral surface of the housing. The inlet port is located so as to face the coil end. A recess is formed on the inner peripheral surface of the housing for communicating with the inlet port. The recess extends in the axial direction of the rotary shaft toward the inverter beyond the coil end.Type: ApplicationFiled: December 16, 2008Publication date: June 25, 2009Inventors: Masao IGUCHI, Masahiro Kawaguchi, Ken Suitou, Tatsushi Mori, Hiroshi Fukasaku
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Publication number: 20090151389Abstract: A motor-driven compressor has a compression mechanism, a rotary shaft, an electric motor, a motor drive circuit and a housing assembly. The compression mechanism, the electric motor and the motor drive circuit are disposed along the axial direction of the rotary shaft in the housing assembly. The housing assembly has first and second housings. The first housing mounts the electric motor and the compression mechanism. The first housing has first and second mounting lugs formed integrally with the peripheral surface of the first housing. The second housing is joined to the first housing for accommodating the motor drive circuit. The second housing has a third mounting lug formed integrally with the second housing. The first through third mounting lugs are fastened to a mounting object to which the motor-driven compressor is to be mounted by means of fastening members.Type: ApplicationFiled: December 12, 2008Publication date: June 18, 2009Inventors: Masao IGUCHI, Masahiro Kawaguchi, Ken Suitou, Hiroshi Fukasaku, Tatsushi Mori, Kazuo Murakami
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Publication number: 20090155101Abstract: A motor-driven compressor has a compression mechanism, a rotary shaft, an electric motor, a motor drive circuit, a connecting terminal and a housing assembly. The compression mechanism, the electric motor, and the motor drive circuit are disposed along the axial direction of the rotary shaft in the housing assembly having first through third housings. The first housing is used for mounting the electric motor and the compression mechanism. The second housing has a terminal mounting portion for fixing the connecting terminal. The first and second housings have fastening portions at the radially peripheral portion thereof. The third housing is joined to the second housing to form an accommodation space for accommodating the motor drive circuit. The closed casing is formed by fastening the fastening portions of the first and second housings by means of a first bolt and connecting the second housing to the open end of the first housing.Type: ApplicationFiled: December 12, 2008Publication date: June 18, 2009Inventors: Hiroshi Fukasaku, Tatsushi Mori, Kazuo Murakami, Masao Iguchi, Masahiro Kawaguchi, Ken Suitou
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Patent number: 7547198Abstract: A double-headed piston type compressor forms a first compression chamber and a second compression chamber for compressing gas. The compressor has rotary shaft having an inner chamber that interconnects a suction chamber and the first and second compression chambers for introducing the gas into the first and second compression chambers. The compressor also has a partition wall that is located in the inner chamber for dividing the inner chamber into a first passage and a second passage. The first passage interconnects the suction chamber and the first compression chamber. The second passage interconnects the suction chamber and the second compression chamber.Type: GrantFiled: March 15, 2004Date of Patent: June 16, 2009Assignee: Kabushiki Kaisha Toyota JidoshokkiInventors: Akio Saiki, Masahiro Kawaguchi, Noriyuki Shintoku, Nobutoshi Banno, Jun Kondo
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Patent number: 7540720Abstract: A heat-insulating mechanism in a compressor which introduces refrigerant gas from a suction pressure region to a compression chamber and discharges the refrigerant gas from the compression chamber to a discharge pressure region has a circular passage, a communication passage, a cylindrical member and a passage heat-insulating member. The circular passage, which is a portion of the suction pressure region, has a circular cross-section, and is in communication with an external refrigerant circuit. The communication passage, which is a portion of the suction pressure region, intersects the circular passage for connection therewith, and is communicable with the compression chamber. The cylindrical member is fitted into the circular passage. The passage heat-insulating member made of an insulating material covers at least a portion of a passage wall surface which forms the communication passage.Type: GrantFiled: November 16, 2004Date of Patent: June 2, 2009Assignee: Kabushiki Kaisha Toyota JidoshokkiInventors: Fuminobu Enokijima, Masaki Ota, Tetsuhiko Fukanuma, Masakazu Murase, Tatsuya Koide, Masahiro Kawaguchi
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Publication number: 20090107327Abstract: A capacity-variable type swash plate compressor in which the preferable operability of a link mechanism and reduction of manufacturing cost are realized is provided. According to the compressor in the present invention, a link mechanism includes one swash plate arm and intermediate arms. The intermediate arms include first and second intermediate arms. The first and second intermediate arms are joined while being rotatably supported by a lug member and the swash plate arm via a lug-side pin which constitutes a lug-side axis and a swash-plate-side pin which constitutes a swash-plate-side axis and clamping the lug member and the swash plate arm via the lug-side pin and the swash-plate-side pin so as to allow a sliding movement.Type: ApplicationFiled: September 26, 2008Publication date: April 30, 2009Inventors: Masaki Ota, Masahiro Kawaguchi, Hiroshi Kubo, Ryo Matsubara, Naofumi Kimura, Hideharu Yamashita
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Patent number: 7523620Abstract: A displacing device is incorporated in a displacement control valve. The displacing device includes a first pressure chamber, a second pressure chamber, a second bellows, a transmission rod, and an urging spring. The second pressure chamber communicates with a suction chamber. The interior of the second pressure chamber is a suction pressure zone. When the pressure in the suction pressure zone is less than or equal to a predetermined reference pressure, the transmission rod moves an actuation rod (valve body) to open a valve hole. Therefore, a variable displacement compressor is prevented from operating with a large displacement when there is insufficient amount of refrigerant or when the speed of the compressor is high.Type: GrantFiled: December 20, 2005Date of Patent: April 28, 2009Assignee: Kabushiki Kaisha Toyota JidoshokkiInventors: Satoshi Umemura, Masahiro Kawaguchi, Masaki Ota, Tatsuya Hirose, Yuji Hashimoto
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Publication number: 20090097990Abstract: A swash plate type compressor has a cylinder block, a drive shaft, a piston, a pair of first and second shoes and a swash plate. The swash plate has a first surface on the far side of the swash plate from the cylinder bore in slide contact with the first shoe and a second surface on the same side of the swash plate as the cylinder bore in slide contact with the second shoe. The swash plate has first and second edges formed between the first and second surfaces and an outer peripheral surface of the swash plate, respectively. The swash plate has a curved surface formed on the first edge at and adjacent to the bottom dead center of the swash plate whose radius of curvature is larger than that of the surface of the second edge.Type: ApplicationFiled: September 22, 2008Publication date: April 16, 2009Inventors: Hiroshi Kubo, Masahiro Kawaguchi, Masaki Ota, Ryo Matsubara, Hideharu Yamashita, Hiroaki Kayukawa, Yasunori Makino
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Publication number: 20090093373Abstract: To provide a DNA micro-array having a nucleic acid probe immobilized on a substrate, which is used to detect a molecule of a target nucleic acid contained in a sample and has a substantially complementary base sequence to the target base sequence of the nucleic acid molecule, including at least one probe selected from the group consisting of: at least one internal standard probe for assay of PCR of the target nucleic acid; at least one external standard probe for a detection operation and assay of an amount of the probe; and a probe for measurement of the amount or density of the nucleic acid probe, formed by the same method as the nucleic acid probe.Type: ApplicationFiled: November 3, 2008Publication date: April 9, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Masahiro Kawaguchi, Tadashi Okamoto, Hiromitsu Takase, Hiroyuki Hashimoto
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Publication number: 20090065055Abstract: An objective of the present invention is to provide an inexpensive and excellent polyester resin sheet for photovoltaic batteries which enhances the electrical transduction efficiency of photovoltaic battery by improving the hydrolysis resistance and heat resistance, and further enhancing the screening potency, as well as a photovoltaic battery using the same. The polyester resin sheet for photovoltaic batteries comprises a polyester resin layer formed by using one or more layers having a number average molecular weight of 18500 to 40000 in which at least one or more layers having 5 to 40% by weight of titanium dioxide is formed on the polyester resin layer, wherein a light transmittance at wavelengths of 300 to 350 nm is 0.005 to 10%, a relative reflectance is 80% or more and 105% or less, an apparent density is 1.37 to 1.65 g/cm3, an optical density is 0.55 to 3.50, and the variation in optical density has a fluctuation of within 20% from the center value.Type: ApplicationFiled: March 14, 2006Publication date: March 12, 2009Applicant: Toray Industries, Inc.Inventors: Hideki Fujii, Masahiro Kawaguchi
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Publication number: 20090011413Abstract: Colon cancer cells in a sample are screened by analyzing the amount of expression of at least 2 or more genes or products thereof selected from the group of genes listed in Tables 1 and 30. As compared to conventional method, patients having colon cancer can be detected with higher accuracy. Colon cancer cells in stool are also screened by analyzing expression of genes selected from the group of genes listed in Table 37.Type: ApplicationFiled: June 14, 2007Publication date: January 8, 2009Applicants: CANON KABUSHIKI KAISHA, PRESIDENT OF NATIONAL CANCER CENTERInventors: Mie Ishii, Nobuko Yamamoto, Masahiro Kawaguchi, Tetsuo Okabe, Hiroki Sasaki, Satoshi Yajima, Yasuhiro Matsumura, Hisayuki Matsushita, Hiroyuki Tsunoda, Kunio Harada
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Publication number: 20080247291Abstract: Whether an optical disc is a first optical disc or not is determined with reference to at least one of first and second focus error signal amplitude values. Then, if a sum value of the addition of a first focus balance signal value (CD-FBAL signal value) to a second focus balance signal value (DVD-FBAL signal value) is equal to or more than a predetermined threshold value, the signal surface of the optical disc is determined to be a CD signal surface of a dual disc. On the other hand, if the sum value is smaller than the predetermined threshold value, the signal surface of the optical disc is determined to be a DVD signal surface of a DVD or a DVD signal surface of a dual disc.Type: ApplicationFiled: June 3, 2008Publication date: October 9, 2008Applicant: VICTOR COMPANY OF JAPAN, LIMITEDInventor: Masahiro Kawaguchi
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Publication number: 20080181791Abstract: An electric compressor (10) is equipped with a motor chamber (27) provided in a suction pressure region. The motor chamber (27) is adjacent to an inverter accommodation chamber (101) with a first housing (24) therebetween, and a cooling hole (130) extending from the motor chamber (27) toward the inverter accommodation chamber (101) is formed through the first housing (24). The cooling hole (130) is a through-hole passing through the first housing (24). A cooling medium in the motor chamber (27) flows into the cooling hole (130) and comes into contact with a heat transfer plate (110), thereby cooling the heat transfer plate (110) directly.Type: ApplicationFiled: January 25, 2008Publication date: July 31, 2008Inventors: Masao Iguchi, Masahiro Kawaguchi, Ken Suitou
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Publication number: 20080138213Abstract: A capacity control valve of the present invention includes a valve body (40) integrally having a first valve portion (41) for opening/closing a discharge-side path for having a discharge chamber (11) communicate with a control chamber (12) and a second valve portion (42) for opening/closing a suction-side path for having a suction chamber (13) communicate with the control chamber (12), a pressure sensitive body (50) arranged in a third valve chamber (38) in the middle of the suction-side path, a valve seat body (53) provided at the pressure sensitive body (50), a third valve portion (43) connected to the valve body (40) for opening/closing the suction-side path by engagement and disengagement with the valve seat body (53) and the like.Type: ApplicationFiled: February 23, 2006Publication date: June 12, 2008Inventors: Satoshi Umemura, Masaki Ota, Masahiro Kawaguchi, Ryosuki Cho, Keigo Shirafuji, Toshiaki Iwa
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Publication number: 20080107544Abstract: A suction throttle valve of a compressor has a compressor housing having a suction chamber and a crank chamber. The suction throttle valve includes a suction passage formed in the housing, a suction port provided at an inlet of the suction passage, a valve body movably arranged in the suction passage for adjusting opening of the suction passage, an urging member for urging the valve body toward the suction port, and a valve chamber provided in the suction passage. Refrigerant is drawn into the suction passage through the suction port and then received in the suction chamber. A first communication hole is formed through the housing, through which the valve chamber and the suction chamber are in constant communication with each other. A second communication hole is formed through the housing, through which the valve chamber and the crank chamber are in constant communication with each other.Type: ApplicationFiled: November 1, 2007Publication date: May 8, 2008Inventors: Sokichi Hibino, Shiro Hayashi, Masaki Ota, Masahiro Kawaguchi
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Patent number: 7353661Abstract: A vehicle exhaust heat recovery system includes a vapor compression type refrigeration circuit, a boiler to which the refrigerant is introduced from the refrigeration circuit and heated, and an expander for generating motive power by expanding the heated refrigerant. The refrigerant circulates in the refrigeration circuit. The boiler heats the refrigerant introduced therein using exhaust heat generated by the vehicle. The refrigerant that has been subjected to expansion is recycled to the refrigeration circuit.Type: GrantFiled: February 24, 2005Date of Patent: April 8, 2008Assignee: Kabushiki Kaisha Toyota JidoshokkiInventors: Xiaoliang Wang, Takahiro Moroi, Masanori Sonobe, Masahiro Kawaguchi
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Patent number: 7347673Abstract: A fluid machine is served as an expansion device and a compression device. The fluid machine compresses gas in an operation chamber upon functioning as the compression device. The fluid machine expands the gas in the operation chamber upon functioning as the expansion device. The fluid machine includes a movable discharge valve served as a differential pressure regulating valve that discharges the gas from the operation chamber when the fluid machine functions as the compression device. The discharge valve is moved to a non-operation position where the discharge valve fails to function as the differential pressure regulating valve when the fluid machine functions as the expansion device.Type: GrantFiled: July 12, 2004Date of Patent: March 25, 2008Assignee: Kabushiki Kaisha Toyota JidoshokkiInventors: Akihito Yamanouchi, Masahiro Kawaguchi, Masao Iguchi, Xiaoliang Wang, Satoshi Umemura