Patent · US Expired

Hydraulic valve-play compensation element

US6318325A · kind A · utility

6Cited by
2References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 17, 2000
Grant dateNov 20, 2001
Priority date
Expiry dateOct 17, 2020

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF01L1/245
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The invention relates to a hydraulic valve-play compensation element. The aim is to prevent any change in the length from taking place when the engine is at a standstill. To this end, the leakage oil is guided into the space between the high pressure valve (4) and the valve (5), where it then reinforces the sealing effect of valve (5). When the engine is in operation, the valve (4) is kept open irrespective of the direction of throughflow by means for producing a defined force, for example, a pressure-loaded piston or by electromagnetic means.

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