Patent · US Active

Wet clutch actuation piston and method of use

US10801559B2 · kind B2 · utility

0Cited by

9References

15Claims

0Family size

Assignee

DANA BELGIUM N.V. · BE

Inventors

Kurt CATTOOR · Koolkerke, BE
Kathleen Derycker · Zuienkerke, BE
Filip D. Schacht · Sint-Pieters, BE

Key dates

Filing date	May 6, 2016
Grant date	Oct 13, 2020
Priority date	—
Expiry date	Dec 19, 2036

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16D2048/0212
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A piston (50), comprising: •a shaft side (52) with a first circumferential groove, said first circumferential groove (90) bounded by a continuous circumferential seal plateau (88), said seal plateau extending axially outward from said first circumferential groove, wherein a planar outboard surface (96) extends radially outboard from said seal plateau; •a clutch side (54) having two grooves alternating with two lands (102, 108); •an inner circumferential surface (56) having a seal groove (62) formed therein; and an outer circumferential surface (58) with a having a seal groove (76) formed therein, wherein the sides and surfaces form a ring shape.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.