Patents by Inventor Ami FUJIWARA
Ami FUJIWARA 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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Patent number: 12241468Abstract: A scroll electric compressor includes a housing, a rotary shaft, an electric motor, a fixed scroll, an orbiting scroll, a compression chamber, a discharge chamber, and an oil storage chamber. The housing has a discharge housing including an end wall, a first peripheral wall, a stepped portion, and a second peripheral wall. The fixed scroll has a flange in contact with the second peripheral wall. The stepped portion, the second peripheral wall, the flange, the outer peripheral wall cooperate to define an annular space around the fixed scroll. The annular space is in communication with the discharge chamber or the oil storage chamber.Type: GrantFiled: January 24, 2023Date of Patent: March 4, 2025Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Yuya Hattori, Ami Fujiwara
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Patent number: 12173711Abstract: An electric compressor includes a housing including a first housing portion made of metal, the first housing portion having a first joint surface and a first pin hole, a second housing portion made of metal, the second housing portion having a second joint surface and a second pin hole, a connecting pin made of metal, the connecting pin having a press-fitting portion and a first insertion portion having a first contact portion and removably inserted into the second pin hole, and a first gasket having an insulation property, the first gasket having a first pin insertion hole, the first gasket being interposed between the first joint surface and the second joint surface.Type: GrantFiled: February 8, 2024Date of Patent: December 24, 2024Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Ami Fujiwara, Takuro Yamashita, Tsuyoshi Yamaguchi, Yoichi Takashima
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Publication number: 20240280104Abstract: An electric compressor includes a housing including a first housing portion made of metal, the first housing portion having a first joint surface and a first pin hole, a second housing portion made of metal, the second housing portion having a second joint surface and a second pin hole, a connecting pin made of metal, the connecting pin having a press-fitting portion and a first insertion portion having a first contact portion and removably inserted into the second pin hole, and a first gasket having an insulation property, the first gasket having a first pin insertion hole, the first gasket being interposed between the first joint surface and the second joint surface.Type: ApplicationFiled: February 8, 2024Publication date: August 22, 2024Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Ami FUJIWARA, Takuro YAMASHITA, Tsuyoshi YAMAGUCHI, Yoichi TAKASHIMA
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Patent number: 11773850Abstract: An electric compressor includes a housing including a compression part housing, a shaft support housing, and a motor housing fastened by a plurality of fastening members. A peripheral wall has a plurality of thick-walled portions that protrudes inwardly in a radial direction and through which their associated fastening members are inserted. The fixed scroll base plate has a plurality of protruded portions each protruding outwardly in the radial direction and disposed between the thick-walled portions in a circumferential direction. The fixed scroll base plate has a plurality of pillar portions each extending from the protruded portions toward the shaft support housing in the axial direction and spaced from each other in the circumferential direction. The elastic plate is held at a plurality of spots by the plurality of pillar portions and the shaft support housing.Type: GrantFiled: March 22, 2022Date of Patent: October 3, 2023Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Shiori Yamamoto, Yuya Hattori, Takumi Maeda, Shinji Koike, Takafumi Konishi, Keita Jinno, Ami Fujiwara
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Publication number: 20230258185Abstract: A scroll electric compressor includes a housing, a rotary shaft, an electric motor, a fixed scroll, an orbiting scroll, a compression chamber, a discharge chamber, and an oil storage chamber. The housing has a discharge housing including an end wall, a first peripheral wall, a stepped portion, and a second peripheral wall. The fixed scroll has a flange in contact with the second peripheral wall. The stepped portion, the second peripheral wall, the flange, the outer peripheral wall cooperate to define an annular space around the fixed scroll. The annular space is in communication with the discharge chamber or the oil storage chamber.Type: ApplicationFiled: January 24, 2023Publication date: August 17, 2023Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Yuya HATTORI, Ami Fujiwara
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Publication number: 20220307501Abstract: An electric compressor includes a housing including a compression part housing, a shaft support housing, and a motor housing fastened by a plurality of fastening members. A peripheral wall has a plurality of thick-walled portions that protrudes inwardly in a radial direction and through which their associated fastening members are inserted. The fixed scroll base plate has a plurality of protruded portions each protruding outwardly in the radial direction and disposed between the thick-walled portions in a circumferential direction. The fixed scroll base plate has a plurality of pillar portions each extending from the protruded portions toward the shaft support housing in the axial direction and spaced from each other in the circumferential direction. The elastic plate is held at a plurality of spots by the plurality of pillar portions and the shaft support housing.Type: ApplicationFiled: March 22, 2022Publication date: September 29, 2022Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Shiori YAMAMOTO, Yuya HATTORI, Takumi MAEDA, Shinji KOIKE, Takafumi KONISHI, Keita JINNO, Ami FUJIWARA