Title:
湿式摩擦ディスク
Document Type and Number:
Japanese Patent JP7441149
Kind Code:
B2
Abstract:
A wet friction disc includes a lubrication groove and a plurality of lands defined by the lubrication groove. The lubrication groove has a plurality of circumferential groove portions that extends in a circumferential direction and has a predetermined groove width in a radial direction, and a plurality of intersecting groove portions that extends in directions intersecting the circumferential direction. At least some of the circumferential groove portions have an arc shape such that an end in the circumferential direction is located adjacent to one of the lands in the circumferential direction and that the groove width is entirely contained within a range in the radial direction spanned by that land.
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Inventors:
Yoshiki Takeuchi
Hiroshi Takuno
Kazuaki Uemura
Takeshi Nakamura
Takahiro Yoshimura
Hiroshi Takuno
Kazuaki Uemura
Takeshi Nakamura
Takahiro Yoshimura
Application Number:
JP2020158688A
Publication Date:
February 29, 2024
Filing Date:
September 23, 2020
Export Citation:
Assignee:
JTEKT Corporation
Toyota Motor Corporation
Toyota Motor Corporation
International Classes:
F16D65/12; F16D13/62; F16D13/74; F16D27/112; F16D27/115; F16D65/092; F16D69/00
Domestic Patent References:
| JP8200394A | ||||
| JP2008014493A | ||||
| JP2014098436A | ||||
| JP2008106929A | ||||
| JP61021425A |
Foreign References:
| WO2011118347A1 |
Attorney, Agent or Firm:
Hirata International Patent Office