Patents by Inventor Yukio Uemura

Yukio Uemura 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: 9221318
    Abstract: An air conditioner for a vehicle includes a casing having therein first and second air passages through which outside air and inside air flow respectively. A heating heat exchanger is arranged in the first and second air passages to heat air. First and second air mix doors are arranged respectively in the first and second air passages to adjust a ratio between a flow amount of air passing through the heating heat exchanger and a flow amount of air bypassing the heating heat exchanger. Each of the first and second air mix doors is a slide door in which a plate door body part slides in a direction being applied by its own weight. The second air mix door slides in a sliding direction inclined relative to a sliding direction of the first air mix door by an angle toward a horizontal direction.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: December 29, 2015
    Assignee: DENSO COPORATION
    Inventor: Yukio Uemura
  • Patent number: 8808073
    Abstract: An air passage open/close device includes a casing having an air passage, and a sliding door having a board member slidably located in the casing so as to open or close the air passage. The casing has a guide groove for guiding a movement of the board member. The guide groove has an upstream wall extending in a moving direction of the board member at an upstream side of the board member in an air flow direction, and a downstream wall opposing to the upstream wall at a downstream side of the board member in the air flow direction. The board member is configured to be elastically deformed when the board member is arranged in the casing.
    Type: Grant
    Filed: June 16, 2009
    Date of Patent: August 19, 2014
    Assignee: Denso Corporation
    Inventors: Takahiro Tokunaga, Yukio Uemura, Yoshikazu Sakaki
  • Publication number: 20130008627
    Abstract: An air conditioner for a vehicle includes a casing having therein first and second air passages through which outside air and inside air flow respectively. A heating heat exchanger is arranged in the first and second air passages to heat air. First and second air mix doors are arranged respectively in the first and second air passages to adjust a ratio between a flow amount of air passing through the heating heat exchanger and a flow amount of air bypassing the heating heat exchanger. Each of the first and second air mix doors is a slide door in which a plate door body part slides in a direction being applied by its own weight. The second air mix door slides in a sliding direction inclined relative to a sliding direction of the first air mix door by an angle toward a horizontal direction.
    Type: Application
    Filed: July 2, 2012
    Publication date: January 10, 2013
    Applicant: DENSO CORPORATION
    Inventor: Yukio Uemura
  • Patent number: 7694729
    Abstract: An air passage opening/closing device for a vehicle air conditioner has a casing and a slide door. The slide door is movably disposed in the casing. Both sides of the slide door are guided by guide channels provided in the casing. The guide channels are formed by the casing and a separate guide member. The slide door can be assembled by mounting the slide door on a door-sliding surface of the casing, and mounting the separate guide member on the slide door.
    Type: Grant
    Filed: December 1, 2004
    Date of Patent: April 13, 2010
    Assignee: Denso Corporation
    Inventor: Yukio Uemura
  • Publication number: 20090313899
    Abstract: An air passage open/close device includes a casing having an air passage, and a sliding door having a board member slidably located in the casing so as to open or close the air passage. The casing has a guide groove for guiding a movement of the board member. The guide groove has an upstream wall extending in a moving direction of the board member at an upstream side of the board member in an air flow direction, and a downstream wall opposing to the upstream wall at a downstream side of the board member in the air flow direction. The board member is configured to be elastically deformed when the board member is arranged in the casing.
    Type: Application
    Filed: June 16, 2009
    Publication date: December 24, 2009
    Applicant: DENSO CORPORATION
    Inventors: Takahiro Tokunaga, Yukio Uemura, Yoshikazu Sakaki
  • Publication number: 20080083241
    Abstract: An air conditioning apparatus for a vehicle has a unit case, a heat exchanger for generating a heated air, a bypass passage through which a bypass air flows while bypassing the heat exchanger, and a baffle member having first passages and second passages. The unit case has openings for introducing a conditioned air into a passenger compartment. The openings are aligned in an alignment direction across a width of the unit case. The first passages and second passages are alternately arranged in the alignment direction. One of the bypass air and the heated air has an uneven distribution of a flow speed in the alignment direction at a position upstream of the baffle member, and flows in the first passages. Widths of the first passages are varied according to the distribution of the flow speed.
    Type: Application
    Filed: October 8, 2007
    Publication date: April 10, 2008
    Applicant: DENSO Corporation
    Inventors: Kyoko Nagata, Yukio Uemura
  • Patent number: 7284595
    Abstract: A heat source fluid inlet pipe of a heat exchanger main body 150 comprises a rotation side inlet pipe 27 and a fixed side inlet pipe 23 that are integrated with the heat exchanger main body 150. A heat source fluid outlet pipe comprises a rotation side outlet pipe 26 and a fixed side outlet pipe 22 that are integrated with the heat exchanger main body 150. These pipes 22, 23, 26 and 27 are constituted into a coaxial double-piping structure 16 and the heat exchanger main body 150 is allowed to rotate with a center axis A of this coaxial double-piping structure 16 as the center.
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: October 23, 2007
    Assignee: DENSO Corporation
    Inventors: Kenichiro Maeda, Yukio Uemura, Kei Kajiya
  • Publication number: 20070144725
    Abstract: An automotive air conditioner comprises an offset blower for blowing an air, an evaporator is centrally disposed within a dashboard and receives the air from below, and a heater approximately horizontally disposed above the evaporator. The evaporator inclines downward along the direction of the air flow. A plurality of condensed water guide plates are provided under the evaporator so as to allow a condensed water smoothly flow on the surface of each guide plate and is discharged from the evaporator through a condensed water drain pipe.
    Type: Application
    Filed: March 5, 2007
    Publication date: June 28, 2007
    Inventors: Yuichi Shirota, Hisashi Tanaka, Hiroshi Nonoyama, Kazushi Shikata, Yukio Uemura, Hikaru Sugi, Manabu Miyata, Koji Ito, Teruhiko Kameoka
  • Publication number: 20070144724
    Abstract: An automotive air conditioner comprises an offset blower for blowing an air, an evaporator is centrally disposed within a dashboard and receives the air from below, and a heater approximately horizontally disposed above the evaporator. The evaporator inclines downward along the direction of the air flow. A plurality of condensed water guide plates are provided under the evaporator so as to allow a condensed water smoothly flow on the surface of each guide plate and is discharged from the evaporator through a condensed water drain pipe.
    Type: Application
    Filed: March 5, 2007
    Publication date: June 28, 2007
    Inventors: Yuichi Shirota, Hisashi Tanaka, Hiroshi Nonoyama, Kazushi Shikata, Yukio Uemura, Hikaru Sugi, Manabu Miyata, Koji Ito, Teruhiko Kameoka
  • Publication number: 20060225875
    Abstract: An interior of an air conditioning case is partitioned into a first air passage extending from an inside air suction port to a foot opening portion and a second air passage extending from an outside air suction port is disposed at a side of the first air passage to detect a temperature of air blown out from the evaporator disposed in the first air passage and the second air passage. An operation of the compressor for supplying the refrigerant to the evaporator is intermitted by comparing the temperature detected by the temperature sensor and the set temperature set in advance, and the set temperature is changed to be higher according to an increase in the temperature of outside air. In this way, it is possible to prevent the frosting of the evaporator in winter season, when the inside air is introduced into the first air passage and the outside air is introduced into the second air passage.
    Type: Application
    Filed: June 12, 2006
    Publication date: October 12, 2006
    Inventors: Yukio Uemura, Kenji Suwa, Kazushi Shikata
  • Patent number: 7082990
    Abstract: An interior of an air conditioning case is partitioned into a first air passage extending from an inside air suction port to a foot opening portion and a second air passage extending from an outside air suction port is disposed at a side of the first air passage to detect a temperature of air blown out from the evaporator disposed in the first air passage and the second air passage. An operation of the compressor for supplying the refrigerant to the evaporator is intermitted by comparing the temperature detected by the temperature sensor and the set temperature set in advance, and the set temperature is changed to be higher according to an increase in the temperature of outside air. In this way, it is possible to prevent the frosting of the evaporator in winter season, when the inside air is introduced into the first air passage and the outside air is introduced into the second air passage.
    Type: Grant
    Filed: October 15, 1997
    Date of Patent: August 1, 2006
    Assignee: DENSO Corporation
    Inventors: Yukio Uemura, Kenji Suwa, Kazushi Shikata
  • Publication number: 20060005959
    Abstract: A heat source fluid inlet pipe of a heat exchanger main body 150 comprises a rotation side inlet pipe 27 and a fixed side inlet pipe 23 that are integrated with the heat exchanger main body 150. A heat source fluid outlet pipe comprises a rotation side outlet pipe 26 and a fixed side outlet pipe 22 that are integrated with the heat exchanger main body 150. These pipes 22, 23, 26 and 27 are constituted into a coaxial double-piping structure 16 and the heat exchanger main body 150 is allowed to rotate with a center axis A of this coaxial double-piping structure 16 as the center.
    Type: Application
    Filed: June 28, 2005
    Publication date: January 12, 2006
    Applicant: DENSO Corporation
    Inventors: Kenichiro Maeda, Yukio Uemura, Kei Kajiya
  • Publication number: 20050142999
    Abstract: An air passage opening/closing device for a vehicle air conditioner has a casing and a slide door. The slide door is movably disposed in the casing. Both sides of the slide door are guided by guide channels provided in the casing. The guide channels are formed by the casing and a separate guide member. Accordingly, the slide door can be assembled using a simple process. The simple process includes a step such that the slide door is mounted on a door-sliding surface of the casing, and another step such that the separate guide member is mounted on the slide door.
    Type: Application
    Filed: December 1, 2004
    Publication date: June 30, 2005
    Inventor: Yukio Uemura
  • Patent number: 6834709
    Abstract: An automotive air conditioner includes an offset blower for blowing an air, an evaporator is centrally disposed within a dashboard and receives the air from below, and a heater approximately horizontally disposed above the evaporator. The evaporator inclines downward along the direction of the air flow. A plurality of condensed water guide plates are provided under the evaporator so as to allow a condensed water smoothly flow on the surface of each guide plate and is discharged from the evaporator through a condensed water drain pipe.
    Type: Grant
    Filed: March 26, 2001
    Date of Patent: December 28, 2004
    Assignee: DENSO Corporation
    Inventors: Yuichi Shirota, Hisashi Tanaka, Hiroshi Nonoyama, Kazushi Shikata, Yukio Uemura, Hikaru Sugi
  • Patent number: 6811481
    Abstract: In an air passage switching device, a flexible film moves to traverse an air passage of an air duct, thereby switching and controlling a communication state of the air passage. A thickness t of the film, a glass transition temperature Tg thereof and a radius of curvature r thereof are set so that a relationship expressed by a formula of t≦(0.00578×Tg0.448×r0.333) is satisfied and a bending stiffness of the film is set equal to or higher than 1 &mgr;N·m2. Accordingly, the film can be restricted from being buckling-deformed and from being damaged. As a result, an air leakage amount from a clearance between the film and the air passage due to the deformation can be effectively restricted.
    Type: Grant
    Filed: September 2, 2003
    Date of Patent: November 2, 2004
    Assignee: DENSO Corporation
    Inventors: Yukio Uemura, Tomohide Shindo
  • Publication number: 20040043720
    Abstract: In an air passage switching device, a flexible film moves to traverse an air passage of an air duct, thereby switching and controlling a communication state of the air passage. A thickness t of the film, a glass transition temperature Tg thereof and a radius of curvature r thereof are set so that a relationship expressed by a formula of t≦(0.00578×Tg0.448×r0.333) is satisfied and a bending stiffness of the film is set equal to or higher than 1 &mgr;N·m2. Accordingly, the film can be restricted from being buckling-deformed and from being damaged. As a result, an air leakage amount from a clearance between the film and the air passage due to the deformation can be effectively restricted.
    Type: Application
    Filed: September 2, 2003
    Publication date: March 4, 2004
    Inventors: Yukio Uemura, Tomohide Shindo
  • Patent number: 6688964
    Abstract: In an air passage opening/closing device for an air conditioner, a slide door for opening and closing an opening portion of a case includes a flexible film member having a free top end that moves forward by pushing force in a door moving direction. A movement of the film member is guided along a guide ditch. The guide ditch is provided so that the film member is approached to a seal surface in a direction perpendicular to a door moving direction, in comparison with the other seal surface on a peripheral portion of the opening portion. For example, a pushing member for pushing the film member to the seal surface in the direction perpendicular to the door moving direction can be provided. Accordingly, air leakage due to a bending habit of the film member can be restricted.
    Type: Grant
    Filed: March 11, 2003
    Date of Patent: February 10, 2004
    Assignee: Denso Corporation
    Inventors: Yukio Uemura, Tomohide Shindo, Koji Ito
  • Patent number: 6669549
    Abstract: A ventilation controlling apparatus using a slide door made of a flexible film member to solve imperfect slide action attributable to film member rigidity degradation on the fringe of an aperture. The slide door is movably disposed inside a casing which forms an air passage, and the slide door is composed of the flexible film member provided with an air-circulation aperture. Ventilation of the air passage is controlled by varying an area of blending or connection between the aperture and the air passage in accordance with movement of the slide door. A rigid support member is fitted around the fringe of the aperture on the film member, thereby enhancing rigidity of the aperture fringe.
    Type: Grant
    Filed: June 12, 2002
    Date of Patent: December 30, 2003
    Assignee: Denso Corporation
    Inventors: Yukio Uemura, Masaharu Yamazaki, Noriyoshi Miyajima, Tomohide Shindo, Koji Ito
  • Publication number: 20030171091
    Abstract: In an air passage opening/closing device for an air conditioner, a slide door for opening and closing an opening portion of a case includes a flexible film member having a free top end that moves forward by pushing force in a door moving direction. A movement of the film member is guided along a guide ditch. The guide ditch is provided so that the film member is approached to a seal surface in a direction perpendicular to a door moving direction, in comparison with the other seal surface on a peripheral portion of the opening portion. For example, a pushing member for pushing the film member to the seal surface in the direction perpendicular to the door moving direction can be provided. Accordingly, air leakage due to a bending habit of the film member can be restricted.
    Type: Application
    Filed: March 11, 2003
    Publication date: September 11, 2003
    Inventors: Yukio Uemura, Tomohide Shindo, Koji Ito
  • Patent number: 6612922
    Abstract: A ventilation controlling apparatus uses a flexible film member as a slide door and an air casing design profile, to prevent generation of popping or cracking noises from emanating from the slide door due to air pressure changes against the slide door within the casing. Internal lattices may control the position of the flexible slide door. An aperture for ventilation is opened and closed by moving the slide door inside a casing. Sealing surfaces on the inner side of circumferential edge-sealing portions located at the rear and front sides of the aperture in the moving direction of the slide door are made to have a shape protruding or angled more to the downwind side of the aperture at a central portion than at end portions, with respect to a direction orthogonal to the moving direction of the slide door.
    Type: Grant
    Filed: June 25, 2002
    Date of Patent: September 2, 2003
    Assignee: Denso Corporation
    Inventors: Yukio Uemura, Masaharu Yamazaki