Turbocharger

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11982199
APP PUB NO 20230053136A1
SERIAL NO

17796497

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A turbocharger is provided with: a rotational shaft; a rolling bearing rotatably supporting the rotational shaft; an oil film damper disposed radially outward of an outer ring of the rolling bearing; and a housing having a first axial retaining portion and a second axial retaining portion, disposed adjacent to both ends of the oil film damper in the axial direction, respectively, for restricting movement of the outer ring in the axial direction. An axial end surface of the outer ring, or a facing surface of the first axial retaining portion or the second axial retaining portion facing the axial end surface of the outer ring has: a coefficient of static friction smaller than that of a portion of the housing excluding the first axial retaining portion and the second axial retaining portion; or has a recess where oil of the oil film damper can enter.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER LTD3000 TANA CHUO-KU SAGAMIHARA-SHI KANAGAWA 2525293 ?2525293

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arakawa, Takuya Tokyo, JP 8 14
Dammoto, Yosuke Sagamihara, JP 39 41
Isayama, Shuichi Tokyo, JP 19 88
Noda, Yoshitomo Tokyo, JP 25 89
Takeuchi, Hiroaki Tokyo, JP 119 826

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