INCHING SYSTEM UTILIZING BRAKE BOOSTER PILOT PRESSURE,申请号KR19930030148U-传众专利搜索

INCHING SYSTEM UTILIZING BRAKE BOOSTER PILOT PRESSURE

申请公布号：KR960005404(Y1)

申请号：KR19930030148U

申请日期：1993.12.28

申请公布日期：1996.06.28

申请人：

DAEWOO HEAVY IND. CO., LTD.

发明人：KO, HYUN - KI

分类号：B60W10/02;B60T7/04;B60T13/16;B60W10/18;B60W10/184;F16D48/02;(IPC1-7):B60T13/10;B60K41/24

主分类号：B60W10/02

摘要：<p>A inching system adapted for releasing a transmission clutch to disconnect engine power delivery in an industrial vehicle comprises a main pump for creating pump pressure; a brake pedal operated by a driver; a master cylinder communicating with the main pump through a pump pressure supply conduit for producing brake pressure in to perform a brake operation as the brake pedal is pressed; a charging pump for discharging clutch actuation fluid to be fed to the transmission clutch; an inching valve including a valve housing having a pilot chamber provided at a first end thereof to receive the pump pressure and a valve spool slidably fitted within the valve housing, the valve spool having a first operative position for feeding the clutch actuation fluid to the transmission clutch to engage the clutch and a second operative position for cutting off the clutch actuation fluid to release the transmission clutch when the pressure within the pilot chamber becomes higher than a predetermined valve; and a pilot conduit for interconnecting the pump pressure supply conduit and the pilot chamber.</p>