Patent · US Expired

Hydraulic valve drive for internal combustion engines

US4799462A · kind A · utility

8Cited by

7References

2Claims

0Family size

Assignee

Interatom GMBH · DE

Inventors

Gabriel Tittizer · Langenfeld, DE
Ewald Junghans · Bensberg, DE

Key dates

Filing date	May 18, 1987
Grant date	Jan 24, 1989
Priority date	—
Expiry date	May 18, 2007

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02B1/04
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

Valve drive for a combustion engine with an hydraulic transmission system between a control member and a valve includes a device for stepping up the hydraulic transmission.

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