Patents by Inventor Keisuke Tomomura

Keisuke Tomomura 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: 11808480
    Abstract: Operation of fastening a decorative-panel mounting screw into a screw-fastening hole of an indoor-unit body is facilitated. A decorative panel includes a decorative-panel body, a decorative-panel mounting component, and a decorative-panel mounting screw.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: November 7, 2023
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yoshie Nakaya, Tatsuo Furuta, Keisuke Tomomura
  • Patent number: 11384955
    Abstract: An indoor unit for an air-conditioning apparatus includes a body having an opening, a decorative panel attached to the body to cover the opening, and a filter disposed between the body and the decorative panel. The decorative panel has a rectangular air inlet grille disposed at a location that faces the opening of the body. The air inlet grille has long-side wall portions that face each other, a plurality of short-side wall portions disposed perpendicularly to each of the long-side wall portions, a bottom portion surrounded by the long-side wall portions and the plurality of short-side wall portions, and hook receiving portions located in respective grille corner portions each located at the corresponding one of four corners of the bottom portion. The filter is formed in a rectangular shape and has hook portions in respective filter corner portions each located at the corresponding one of four corners of the filter. The hook portions are engaged with the respective hook receiving portions.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: July 12, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Jun Tagaya, Tetsuya Tazawa, Keisuke Tomomura
  • Publication number: 20220090818
    Abstract: An indoor unit of an air-conditioning apparatus includes a wind direction vane, a vane motor, an air passage wall, and a shaft joint member. Between a vane shaft and the air passage wall, an annular gap is provided. The shaft joint member includes a flange portion between the air passage wall and the vane motor. The flange portion radially extends outward from a center, thereby causing air that flows toward the vane motor through the annular gap to be diffused outward relative to a direction toward the vane motor.
    Type: Application
    Filed: March 14, 2019
    Publication date: March 24, 2022
    Inventors: Katsuya ISHIGAMI, Keisuke TOMOMURA, Tatsuo FURUTA
  • Publication number: 20220057107
    Abstract: An indoor unit includes a housing that houses an electrical-component storage box that includes a body portion, a lid portion, and an engagement mechanism portion that engages the body portion and the lid portion with each other in a detachable manner. The lid portion covers an open region on a side of the body portion. The engagement mechanism portion includes an engagement claw portion provided at one of the body and lid portions and an engagement hole portion into which the claw portion is inserted, and which is formed at the other of the body and lid portions.
    Type: Application
    Filed: February 22, 2019
    Publication date: February 24, 2022
    Inventors: Hiroki NAKASHIMA, Keisuke TOMOMURA, Tatsuo FURUTA
  • Publication number: 20210389018
    Abstract: A decorative panel includes a decorative-panel body, a decorative-panel mounting component, and a decorative-panel mounting screw. The decorative-panel mounting screw is used to, when the decorative-panel mounting screw is inserted through a second screw-insertion hole in the decorative-panel mounting component and a first screw-insertion hole in the decorative-panel body and fastened into a screw-fastening hole, cause a first mounting plate part and a second mounting plate part included in the decorative-panel mounting component to deform such that a mounting surface part included in the decorative-panel mounting component is displaced toward an indoor-unit body, and cause a first protruding engagement part and a second protruding engagement part included in the decorative-panel mounting component to move to be closer toward each other than before the decorative-panel mounting screw is fastened into the screw-fastening hole.
    Type: Application
    Filed: November 28, 2018
    Publication date: December 16, 2021
    Inventors: Yoshie NAKAYA, Tatsuo FURUTA, Keisuke TOMOMURA
  • Patent number: 11156372
    Abstract: An indoor unit for a ceiling-concealed air-conditioning apparatus includes an indoor-unit body having an air inlet at a bottom, a decorative panel provided at the bottom of the indoor-unit body and serving as a design surface, and an inlet grille flap rotatably supported by the decorative panel and covering the air inlet. The inlet grille flap is provided with rotational-axis hinges positioned on both sides at one edge of the inlet grille flap and serving as a rotational axis of the inlet grille flap, and a latch part positioned between the two rotational-axis hinges and projecting from the one edge. The decorative panel has a flange positioned below the latch part and supporting the latch part from below when the inlet grille flap is closed.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: October 26, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takahiro Komatsu, Tetsuya Tazawa, Keisuke Tomomura, Hironobu Suehiro, Takaaki Takishita
  • Patent number: 11143419
    Abstract: An air-conditioning apparatus includes a body, a decorative panel attached to a lower surface of the body defining a lower surface of the air-conditioning apparatus, an air-inlet grille that can rotate to open and close and is attached to an air inlet of the decorative panel, and a shaft disposed on the decorative panel. The shaft is movable along an axis of rotation of the air-inlet grille. The shaft includes a shaft body, a pivot protruding from one end face of the shaft body in a moving direction of the shaft, and a rib extending parallel to the pivot. The air-inlet grille has a mating portion into which the pivot is inserted to support rotation of the air-inlet grille. The pivot engages the air-inlet grille at a first limit of a movable range of the shaft. The rib engages the decorative panel while the pivot is fitted in the mating portion.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: October 12, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yusaku Seki, Tetsuya Tazawa, Keisuke Tomomura
  • Patent number: 11085652
    Abstract: A ceiling concealed indoor unit and an air-conditioning apparatus equipped therewith includes a body; and a body decorative panel installed below the body, in which the body decorative panel includes a pair of guide ribs disposed to be opposite to each other and adapted to accept passage of a rail of an auxiliary decorative panel coupled to the body decorative panel.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: August 10, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Megumi Sawai, Tetsuya Tazawa, Keisuke Tomomura, Hironobu Suehiro
  • Patent number: 10989438
    Abstract: An indoor unit of an air-conditioning apparatus includes: a main body provided with an opening port; and a rectangular decorative panel attached to the main body to cover the opening port. The decorative panel includes a rectangular suction grille provided to face the opening port of the main body. The suction grille has one side rotatably supported on one side of the decorative panel, and is detachably attached to the decorative panel. The one side of the suction grille and the one side of the decorative panel are secured to each other by a plurality of fall prevention strings. The decorative panel is provided with two panel claw portions to which the plurality of fall prevention strings are to be hooked. The suction grille is provided with two grille claw portions to each of which respective end portions of the plurality of fall prevention strings are to be hooked.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: April 27, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Koki Moro, Tetsuya Tazawa, Keisuke Tomomura, Hironobu Suehiro, Takaaki Takishita
  • Patent number: 10921019
    Abstract: A ceiling concealed air-conditioning apparatus includes: a box-shaped air-conditioning apparatus body having an open bottom; and an exterior panel attached to an underside of the air-conditioning apparatus body. The exterior panel includes: a panel body covering the open bottom of the air-conditioning apparatus body; and a panel unit removably attached to a lower part of the panel body. The panel body includes an opening at an area where the panel unit is attached to the panel body, and further includes a string hanger to hang a string at a corner of the opening, the string hanger being integral with the panel body and protruding to an inside of the opening. The panel unit includes a holding part to hold the string on a surface of the panel unit facing the panel body, the holding part being integral with the panel unit.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: February 16, 2021
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yoshie Nakaya, Tetsuya Tazawa, Keisuke Tomomura
  • Patent number: 10816226
    Abstract: Provided is a ceiling-concealed air-conditioning apparatus, including: an air-conditioning apparatus main body having an air inlet formed in a lower portion thereof; an electrical component box arranged on a side of the air-conditioning apparatus main body, and includes a switch configured to operate the air-conditioning apparatus main body, and arranged on a lower portion of the electrical component box; and a decorative panel arranged below the air-conditioning apparatus main body and the electrical component box to serve as a decorative surface, the decorative panel including: a suction grille arranged so as to be openable and closable and configured to cover the air inlet; and a side panel arranged below the electrical component box, the side panel including an openable and closable cover arranged so as to be openable and closable and configured to cover the switch when the openable and closable cover is closed, the openable and closable cover including a protruding portion protruded on a side portion of
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: October 27, 2020
    Assignee: Mitsubishi Electric Corporation
    Inventors: Keisuke Tomomura, Tetsuya Tazawa, Hironobu Suehiro
  • Publication number: 20200333038
    Abstract: A pipe setting structure includes a back housing, and a cover attached to the back housing. The back housing has a first recess and a second recess. The first recess is recessed from a surface of the back housing, and includes a first back portion. The second recess is adjacent to the first recess and recessed from the surface of the back housing, and includes a second back portion. The second back portion is located closer to the surface of the back housing than the first back portion. Between the first back portion and the second back portion, a step is provided.
    Type: Application
    Filed: February 9, 2018
    Publication date: October 22, 2020
    Inventors: Keisuke TOMOMURA, Katsuya ISHIGAMI
  • Publication number: 20200318853
    Abstract: A ceiling-embedded air-conditioning apparatus includes a main body, a decorative panel, an air inlet grille and side panels. The main body includes an indoor heat exchanger and an indoor fan. The decorative panel is attached to the main body from an opening side of the main body. The air inlet grille is provided on a design side of the decorative panel. The side panels are provided on the left and right sides of the air inlet grille. The decorative panel is provided with an opening portion which allows suspension metal fittings of the main body to be operated and also an electrical device or a pipe connection portion provided at the main body to be handled, with the decorative panel attached to the main body, after the side panels are detached from the decorative panel, the air inlet grille being rotated to be in the opened state.
    Type: Application
    Filed: March 29, 2017
    Publication date: October 8, 2020
    Inventors: Hironobu SUEHIRO, Tetsuya TAZAWA, Keisuke TOMOMURA
  • Publication number: 20200182510
    Abstract: A ceiling concealed air-conditioning apparatus includes: a box-shaped air-conditioning apparatus body having an open bottom; and an exterior panel attached to an underside of the air-conditioning apparatus body. The exterior panel includes: a panel body covering the open bottom of the air-conditioning apparatus body; and a panel unit removably attached to a lower part of the panel body. The panel body includes an opening at an area where the panel unit is attached to the panel body, and further includes a string hanger to hang a string at a corner of the opening, the string hanger being integral with the panel body and protruding to an inside of the opening. The panel unit includes a holding part to hold the string on a surface of the panel unit facing the panel body, the holding part being integral with the panel unit.
    Type: Application
    Filed: March 14, 2017
    Publication date: June 11, 2020
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yoshie NAKAYA, Tetsuya TAZAWA, Keisuke TOMOMURA
  • Publication number: 20200063984
    Abstract: A ceiling concealed indoor unit and an air-conditioning apparatus equipped therewith includes a body; and a body decorative panel installed below the body, in which the body decorative panel includes a pair of guide ribs disposed to be opposite to each other and adapted to accept passage of a rail of an auxiliary decorative panel coupled to the body decorative panel.
    Type: Application
    Filed: February 9, 2017
    Publication date: February 27, 2020
    Inventors: Megumi SAWAI, Tetsuya TAZAWA, Keisuke TOMOMURA, Hironobu SUEHIRO
  • Publication number: 20190390871
    Abstract: An indoor unit of an air-conditioning apparatus includes: a main body provided with an opening port; and a rectangular decorative panel attached to the main body to cover the opening port. The decorative panel includes a rectangular suction grille provided to face the opening port of the main body. The suction grille has one side rotatably supported on one side of the decorative panel, and is detachably attached to the decorative panel. The one side of the suction grille and the one side of the decorative panel are secured to each other by a plurality of fall prevention strings. The decorative panel is provided with two panel claw portions to which respective portions of the plurality of fall prevention strings are to be hooked. The suction grille is provided with two grille claw portions to each of which respective end portions of the plurality of fall prevention strings are to be hooked.
    Type: Application
    Filed: March 7, 2017
    Publication date: December 26, 2019
    Inventors: Koki MORO, Tetsuya TAZAWA, Keisuke TOMOMURA, Hironobu SUEHIRO, Takaaki TAKISHITA
  • Publication number: 20190368751
    Abstract: An air-conditioning apparatus includes a body, a decorative panel defining a lower surface of the body, an air-inlet grille that can rotate to open and close and is attached to an air inlet of the decorative panel, and a shaft disposed on the decorative panel. The shaft is movable along an axis of rotation of the air-inlet grille. The shaft includes a shaft body, a pivot protruding from one end face of the shaft body in a moving direction of the shaft, and a rib extending parallel to the pivot. The air-inlet grille has a mating portion into which the pivot is inserted to support rotation of the air-inlet grille. The pivot engages the air-inlet grille at a first limit of a movable range of the shaft. The rib engages the decorative panel while the pivot is fitted in the mating portion.
    Type: Application
    Filed: February 23, 2017
    Publication date: December 5, 2019
    Inventors: Yusaku SEKI, Tetsuya TAZAWA, Keisuke TOMOMURA
  • Publication number: 20190346157
    Abstract: An indoor unit for a ceiling-concealed air-conditioning apparatus includes an indoor-unit body having an air inlet at a bottom, a decorative panel provided at the bottom of the indoor-unit body and serving as a design surface, and an inlet grille flap rotatably supported by the decorative panel and covering the air inlet. The inlet grille flap is provided with rotational-axis hinges positioned on both sides at one edge of the inlet grille flap and serving as a rotational axis of the inlet grille flap, and a latch part positioned between the two rotational-axis hinges and projecting from the one edge. The decorative panel has a flange positioned below the latch part and supporting the latch part from below when the inlet grille flap is closed.
    Type: Application
    Filed: January 30, 2017
    Publication date: November 14, 2019
    Applicant: Mitsubishi Electric Corporation
    Inventors: Takahiro KOMATSU, Tetsuya TAZAWA, Keisuke TOMOMURA, Hironobu SUEHIRO, Takaaki TAKISHITA
  • Publication number: 20190346171
    Abstract: An indoor unit for an air-conditioning apparatus includes a body having an opening, a decorative panel attached to the body to cover the opening, and a filter disposed between the body and the decorative panel. The decorative panel has a rectangular air inlet grille disposed at a location that faces the opening of the body. The air inlet grille has long-side wall portions that face each other, a plurality of short-side wall portions disposed perpendicularly to each of the long-side wall portions, a bottom portion surrounded by the long-side wall portions and the plurality of short-side wall portions, and hook receiving portions located in respective grille corner portions each located at the corresponding one of four corners of the bottom portion. The filter is formed in a rectangular shape and has hook portions in respective filter corner portions each located at the corresponding one of four corners of the filter. The hook portions are engaged with the respective hook receiving portions.
    Type: Application
    Filed: February 1, 2017
    Publication date: November 14, 2019
    Inventors: Jun TAGAYA, Tetsuya TAZAWA, Keisuke TOMOMURA
  • Publication number: 20190249883
    Abstract: Provided is a ceiling-concealed air-conditioning apparatus, including: an air-conditioning apparatus main body having an air inlet formed in a lower portion thereof; an electrical component box arranged on a side of the air-conditioning apparatus main body, and includes a switch configured to operate the air-conditioning apparatus main body, and arranged on a lower portion of the electrical component box; and a decorative panel arranged below the air-conditioning apparatus main body and the electrical component box to serve as a decorative surface, the decorative panel including: a suction grille arranged so as to be openable and closable and configured to cover the air inlet; and a side panel arranged below the electrical component box, the side panel including an openable and closable cover arranged so as to be openable and closable and configured to cover the switch when the openable and closable cover is closed, the openable and closable cover including a protruding portion protruded on a side portion of
    Type: Application
    Filed: November 7, 2016
    Publication date: August 15, 2019
    Inventors: Keisuke TOMOMURA, Tetsuya TAZAWA, Hironobu SUEHIRO