ELECTRIC-POWERED HYDRAULIC CLUTCH ASSEMBLY

Title:

ELECTRIC-POWERED HYDRAULIC CLUTCH ASSEMBLY

Document Type and Number:

Japanese Patent JP2005241007

Kind Code:

A

Abstract:

To provide an electric-powered hydraulic clutch having an electric motor, an oil pressure or a hydraulic fluid circuit, and a multiple disc friction clutch pack.

The electric-powered hydraulic clutch comprises the electric motor 80 with both directions, the hydraulic fluid circuit, and the multiple disc friction clutch pack 190. The electric motor with both directions drives a ball screw 144 through a gear reduction assembly. The ball screw output transfers a master piston 130 of the hydraulic fluid circuit and next, the master piston advances and retreats an annular dependent piston located in the neighborhood of the friction clutch pack. Accordingly, the electric motor is actuated for moving the hydraulic fluid and the friction clutch pack is compressed and relaxed, whereby a torque is communicated or blocked.

Inventors:

KOWALSKY CHRISTOPHER J
PERLICK MARK A
YU ANDY
PRITCHARD LARRY

Application Number:

JP2005045179A

Publication Date:

September 08, 2005

Filing Date:

February 22, 2005

Export Citation:

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Assignee:

BORGWARNER INC

International Classes:

F16D25/0638; B60K17/02; B60K23/02; F16D25/02; F16D28/00; F16D31/00; (IPC1-7): F16D25/0638

Attorney, Agent or Firm:

Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Hiroyuki Uchida

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