Patents by Inventor Hideki Suetake
Hideki Suetake 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).
-
Patent number: 10677356Abstract: An object of the present invention is to achieve favorable sealability by a simple and low-cost structure using an O-ring. A sealing structure according to the present invention is provided with: a first sealing surface formed in an annular shape on a first container structural member configuring a housing (container); a second sealing surface overlaid on the first sealing surface, formed in annular shape on a second container structural member configuring the housing; a plurality of concentric O-ring grooves formed on at least one of the first sealing surface and second sealing surface; and a plurality of O-rings fitted into the plurality of O-ring grooves. The filling ratio of the O-ring in the O-ring groove positioned on an outer side of the housing is larger than the filling ratio of the O-ring in the O-ring groove positioned on an inner side of the housing.Type: GrantFiled: August 4, 2016Date of Patent: June 9, 2020Assignee: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.Inventors: Katsuhiro Fujita, Masahiro Kato, Tomohisa Moro, Hideki Suetake
-
Publication number: 20180292008Abstract: An object of the present invention is to achieve favorable sealability by a simple and low-cost structure using an O-ring. A sealing structure according to the present invention is provided with: a first sealing surface formed in an annular shape on a first container structural member configuring a housing (container); a second sealing surface overlaid on the first sealing surface, formed in annular shape on a second container structural member configuring the housing; a plurality of concentric O-ring grooves formed on at least one of the first sealing surface and second sealing surface; and a plurality of O-rings fitted into the plurality of O-ring grooves. The filling ratio of the O-ring in the O-ring groove positioned on an outer side of the housing is larger than the filling ratio of the O-ring in the O-ring groove positioned on an inner side of the housing.Type: ApplicationFiled: August 4, 2016Publication date: October 11, 2018Applicant: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.Inventors: Katsuhiro FUJITA, Masahiro KATO, Tomohisa MORO, Hideki SUETAKE
-
Patent number: 9440514Abstract: A vehicle air-conditioning system (1) includes an HVAC unit (2) in which a first refrigerant evaporator (7) and a second refrigerant condenser (8) are disposed in an air channel (6) communicating with a vehicle interior space; and a heat pump cycle (3) in which a refrigerant compressor (9), a refrigerant switching device (10), a first refrigerant condenser (11) that exchanges heat with the outside air, a first expansion valve (14), and a first refrigerant evaporator (7) are connected in sequence and in which the second refrigerant condenser (8) is connected in parallel with the first refrigerant condenser (11) via the refrigerant switching device (10). An exhaust-heat recovery circuit (23) equipped with a second refrigerant evaporator (18) disposed in a ventilation channel (19) from the vehicle interior and a second expansion valve (17) is connected in parallel with the first expansion valve (14) and the first refrigerant evaporator (7) of the heat pump cycle (3).Type: GrantFiled: February 24, 2010Date of Patent: September 13, 2016Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Toshihisa Kondo, Nobuya Nakagawa, Hideki Suetake, Masatoshi Morishita
-
Patent number: 8997503Abstract: A vehicle air-conditioning system includes an HVAC unit that blows air whose temperature is adjusted by a refrigerant evaporator and a second refrigerant condenser. The system includes a heat pump cycle in which a refrigerant compressor, a refrigerant circuit changeover section, a first refrigerant condenser, a first expansion valve, and the refrigerant evaporator are sequentially connected. The system includes a second expansion valve and a refrigerant heat exchanger connected in parallel with the first expansion valve and the refrigerant evaporator. The second refrigerant condenser is connected in parallel with the first refrigerant condenser. The system includes a coolant cycle in which a coolant circulating pump, a ventilation-exhaust-heat recovery unit, a motor/battery, an electric heater, and the refrigerant heat exchanger are sequentially connected, and the ventilation-exhaust-heat recovery unit, motor/battery, and electric heater can be selectively used as a heat source.Type: GrantFiled: January 15, 2010Date of Patent: April 7, 2015Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Masatosi Morisita, Hideki Suetake, Toshihisa Kondo, Akira Katayama
-
Patent number: 8932119Abstract: A vehicle air conditioner that can perform air conditioning operation in an inside air circulating mode while suppressing the mist on a windshield and prevent deterioration in an inside air quality. When exhaust gas concentration on the outside of a vehicle is high, an outside air lead-in mode is switched to an inside air circulating mode and window mist limit humidity at that point is calculated. When inside humidity is close to the window mist limit, a compressor is actuated, the air is blown out from a DEF blowout port into a cabin, or an air volume in a blower is increased to prevent the mist on the windshield and delay switching to the outside air lead-in mode as much as possible. Consequently, air conditioning operation in the inside air circulating mode is performed while the mist on the windshield is suppressed to prevent deterioration in the inside air quality.Type: GrantFiled: February 6, 2009Date of Patent: January 13, 2015Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Hideki Suetake, Toshiyuki Ishida, Masatoshi Mitsui
-
Publication number: 20120205088Abstract: A vehicle air-conditioning system includes: an HVAC unit that blows air whose temperature has been adjusted by a refrigerant evaporator and a second refrigerant condenser; a heat pump cycle in which a refrigerant compressor, a refrigerant circuit changeover section, a first refrigerant condenser, a first expansion valve, and the refrigerant evaporator are sequentially connected, in which a second expansion valve and a refrigerant/coolant heat exchanger are connected in parallel with the first expansion valve and the refrigerant evaporator, and in which the second refrigerant condenser is connected in parallel with the first refrigerant condenser; and a coolant cycle in which a coolant circulating pump, a ventilation-exhaust-heat recovery unit, a motor/battery, an electric heater, and the refrigerant/coolant heat exchanger are sequentially connected, and in which the ventilation-exhaust-heat recovery unit, the motor/battery, and the electric heater can be selectively used as a heat source.Type: ApplicationFiled: January 15, 2010Publication date: August 16, 2012Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Masatosi Morisita, Hideki Suetake, Toshihisa Kondo, Akira Katayama
-
Publication number: 20120011869Abstract: A vehicle air-conditioning system (1) includes an HVAC unit (2) in which a first refrigerant evaporator (6) and a second refrigerant condenser (7) are disposed in an air channel (5) communicating with a vehicle interior space; and a heat pump cycle (3) in which a refrigerant compressor (8), a refrigerant switching device (9), a first refrigerant condenser (10) that exchanges heat with the outside air, a first expansion valve (13), and a first refrigerant evaporator (6) are connected in sequence and in which the second refrigerant condenser (7) is connected in parallel with the first refrigerant condenser (10) via the refrigerant switching device (9). An exhaust-heat recovery circuit (21) equipped with a second refrigerant evaporator (16) disposed in a ventilation channel (17) from the vehicle interior and a second expansion valve (15) is connected in parallel with the first expansion valve (13) and the first refrigerant evaporator (6) of the heat pump cycle (3).Type: ApplicationFiled: February 24, 2010Publication date: January 19, 2012Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Toshihisa Kondo, Nobuya Nakagawa, Hideki Suetake, Masatoshi Morishita
-
Publication number: 20110180617Abstract: [Problem to be Solved] An object is to provide an electric heating device that can heat fluid efficiently at a time of intermediate output, and a vehicle air conditioner including the electric heating device. [Solution] To include a plurality of flow paths in which fluid flows and a plurality of heating modules arranged adjacent to the flow path and including heating elements that generate heat by energization. At the time of intermediate output, the heating element in the heating module provided adjacent to a flow path among the plurality of flow paths having a relatively large flow rate of fluid is energized.Type: ApplicationFiled: October 26, 2010Publication date: July 28, 2011Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Katsuhiro Saito, Hideki Suetake, Yoichiro Iritani, Shirou Matsubara, Nobuya Nakagawa
-
Publication number: 20100330895Abstract: It is an object of the present invention to provide a vehicle air conditioner that can perform air conditioning operation in an inside air circulating mode while suppressing the mist on a windshield and prevent deterioration in an inside air quality. When exhaust gas concentration on the outside of a vehicle is high, an outside air lead-in mode is switched to an inside air circulating mode and window mist limit humidity at that point is calculated. When inside humidity is close to the window mist limit, a compressor is actuated, the air is blown out from a DEF blowout port into a cabin, or an air volume in a blower is increased to prevent the mist on the windshield and delay switching to the outside air lead-in mode as much as possible. Consequently, air conditioning operation in the inside air circulating mode is performed while the mist on the windshield is suppressed to prevent deterioration in the inside air quality.Type: ApplicationFiled: February 6, 2009Publication date: December 30, 2010Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Hideki Suetake, Toshiyuki Ishida, Masatoshi Mitsui