公开(公告)号：US20180172086A1

公开(公告)日：2018-06-21

申请号：US15843328

申请日：2017-12-15

Applicant: BorgWarner Inc.

Inventor： Michael CAMPBELL ,  Calahan CAMPTON ,  Xinqian XIANG

IPC: F16D25/12 ,  F16D28/00 ,  F16D48/06 ,  B60K23/02 ,  F16H37/04 ,  F15B7/08

CPC classification number: F16D25/12 ,  B60K23/02 ,  F15B1/022 ,  F15B7/005 ,  F15B7/08 ,  F15B15/1428 ,  F15B15/1447 ,  F15B15/149 ,  F15B2015/1495 ,  F16D25/14 ,  F16D28/00 ,  F16D48/06 ,  F16H1/06 ,  F16H25/20 ,  F16H37/04

Abstract: An electronic clutch actuator for actuation of a clutch in a transmission of a vehicle includes a clutch master cylinder having a fluid cavity therein and adapted to be in fluid communication with a clutch slave cylinder coupled to the clutch of the transmission and a clutch footpedal of the vehicle, the clutch master cylinder having a first port fluidly communicating with the fluid cavity and adapted for fluid communication with the clutch slave cylinder, a second port fluidly communicating with the fluid cavity and adapted for fluid communication with the clutch footpedal, and a third port fluidly communicating with the fluid cavity and adapted for fluid communication with a fluid bypass, and a movable piston disposed in the fluid cavity of the clutch master cylinder to act as a switch valve to allow fluid flow from the second port to the third port when the electronic clutch actuator is being used and to allow fluid flow from the second port to the first port when the electronic clutch actuator is not being used.

公开(公告)号：US20180172087A1

公开(公告)日：2018-06-21

申请号：US15843360

申请日：2017-12-15

Applicant: BorgWarner Inc.

Inventor： Michael CAMPBELL ,  Calahan CAMPTON ,  Xinqian XIANG

IPC: F16D25/12 ,  F16D28/00 ,  B60K23/02 ,  F16H37/04 ,  F16D48/06 ,  F15B1/033 ,  F15B1/02 ,  F15B7/08 ,  F15B21/00

CPC classification number: F16D25/12 ,  B60K23/02 ,  F15B1/022 ,  F15B1/033 ,  F15B7/001 ,  F15B7/08 ,  F15B15/1428 ,  F15B15/1447 ,  F15B21/001 ,  F15B2015/1495 ,  F16D25/14 ,  F16D28/00 ,  F16D48/06 ,  F16H1/06 ,  F16H25/20 ,  F16H37/04

Abstract: A system and method for actuation of a clutch in a transmission of a vehicle including an electronic clutch actuator adapted to be in fluid communication with a clutch slave cylinder coupled to the clutch of the transmission and the electronic clutch actuator including an integrated manual override assembly adapted to be in fluid communication between the clutch footpedal and the clutch slave cylinder, wherein the integrated manual override assembly prevents fluid flow from the clutch footpedal to the clutch slave cylinder when the electronic clutch actuator is being used to electronically actuate the clutch slave cylinder and allows fluid flow from the clutch footpedal to the clutch slave cylinder when the electronic clutch actuator is not being used to manually actuate the clutch slave cylinder.

公开(公告)号：US20180172084A1

公开(公告)日：2018-06-21

申请号：US15843266

申请日：2017-12-15

Applicant: BorgWarner Inc.

Inventor： Xinqian XIANG ,  Michael CAMPBELL

IPC: F16D25/12 ,  F16D48/06 ,  F16D28/00 ,  F15B7/08 ,  F15B15/28 ,  B60K23/02 ,  F16H37/04

CPC classification number: F16D25/12 ,  B60K23/02 ,  F15B7/08 ,  F15B15/1428 ,  F15B15/1447 ,  F15B15/2861 ,  F15B19/005 ,  F15B2015/1495 ,  F16D28/00 ,  F16D48/06 ,  F16H1/06 ,  F16H25/20 ,  F16H37/04

Abstract: An electronic clutch actuator for actuation of a clutch in a transmission of a vehicle includes a clutch master cylinder having a fluid cavity therein and adapted to be in fluid communication with a clutch slave cylinder coupled to the clutch of the transmission, a movable piston disposed in the fluid cavity of the clutch master cylinder, a rotatable screw having one end coupled to the piston to translate the piston, a geartrain disposed perpendicular to the rotatable screw to rotate the rotatable screw, and a motor having an output shaft disposed perpendicular to the geartrain to form a U-shaped arrangement to rotate gears of the geartrain.