Internal-combustion engines – Poppet valve operating mechanism – Tappet
Patent
1989-01-13
1989-11-21
Myhre, Charles J.
Internal-combustion engines
Poppet valve operating mechanism
Tappet
123 9055, F01L 124, F01L 1306
Patent
active
048814997
ABSTRACT:
A hydraulic play compensating element adapted to be positioned in the valve train of an internal-combustion engine is described which comprises a cylinder part closes at one end and a piston part slidable longitudinally in the latter. The piston part contains a supply chamber which is pressurized by lubricating oil from the lubricating oil circuit and which is separated from a pressure chamber by a connecting duct controlled by a valve. In order to switch off the play compensating function of the play compensating element during engine braking service, a shut-off valve is provided in the supply chamber for closing or opening the connecting duct as a function of the lubricating oil pressure in the supply chamber.
REFERENCES:
patent: 3406668 (1968-10-01), Donnelly et al.
patent: 4164917 (1979-08-01), Glasson
patent: 4254749 (1981-03-01), Krieg et al.
patent: 4438739 (1984-03-01), Arai et al.
patent: 4462364 (1984-07-01), Kodama
patent: 4475490 (1984-10-01), Oono et al.
patent: 4535734 (1985-08-01), Kodama et al.
Berger Frank
Dietrich Markus
Lo Weilun
Mercedes-Benz AG
Myhre Charles J.
LandOfFree
Hydraulic play compensating element does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Hydraulic play compensating element, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydraulic play compensating element will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1420456