Internal-combustion engines – Valve – Valve head cooperates with manifold
Patent
1984-04-18
1985-04-09
Lazarus, Ira S.
Internal-combustion engines
Valve
Valve head cooperates with manifold
123188P, 267168, 251337, F01L 310
Patent
active
045094730
ABSTRACT:
An internal type, spring damper for use in an internal combustion engine or the like having a cylinder head with a poppet valve supported for movement between valve open and valve closed positions and with a coiled valve return spring loosely encircling the stem of the valve and operatively associated at one end with the valve and having its bottom end operatively in abutment with the cylinder head whereby to normally bias the poppet valve to the closed position, has at least its corresponding bottom end of reduced external diameter for a predetermined axial extent whereby to eliminate damper-to-spring contact for up to at least 11/2 coils of the valve spring at its bottom end.
REFERENCES:
patent: 1602304 (1926-10-01), Heldt
patent: 3336913 (1967-08-01), McCormick
patent: 3480286 (1969-11-01), Kosatka
patent: 4317436 (1982-03-01), Barnhart et al.
Bailey R. S.
General Motors Corporation
Krein Arthur N.
Lazarus Ira S.
LandOfFree
Spring damper with controlled wear area does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Spring damper with controlled wear area, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spring damper with controlled wear area will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1163925