Combined sleeve/poppet valve for internal combustion engine

Internal-combustion engines – Four-cycle – Single poppet valve

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

1231908, F01L 700

Patent

active

053986474

ABSTRACT:
An internal combustion engine having intake and exhaust manifolds and a cylinder defining a combustion chamber in which a piston reciprocates and having a wall formed with a port has a combined poppet/slide valve. This valve has a lift valve having a head sealingly engageable in the port and movable in a predetermined direction between a raised position permitting flow past the head through the port and a closed position blocking flow through the port and a stem extending from the head in the direction and having an outer tappet end. It also has a sleeve centered on and rotatable about an axis generally perpendicular to the direction and formed with a radially contoured cam radially engaging the tappet end of the stem so that rotation of the sleeve about its axis displaces the valve between its positions. The sleeve is formed with a pair of axially offset and radially throughgoing apertures. A seat surface complementarily fitted to the sleeve is formed with a pair of axially offset apertures alignable with the apertures of the sleeve in respective angularly offset positions of the sleeve. The apertures of at least one of the pairs are angularly offset relative to each other with respect to the axis. A conduit extends between the port of the combustion chamber and the apertures of the seat surface. Structure inside the sleeve connects one of the apertures to the intake manifold and for connecting the other aperture to the exhaust manifold.

REFERENCES:
patent: 1335515 (1920-03-01), Lombard
patent: 2107389 (1938-02-01), Price et al.
patent: 3871340 (1975-03-01), Zimmerman
patent: 3948227 (1976-04-01), Guenther
patent: 5081966 (1992-01-01), Hansen
patent: 5154395 (1992-10-01), Horvei
patent: 5183014 (1993-02-01), Stevenson
patent: 5191863 (1993-03-01), Hagiwara
patent: 5205251 (1993-04-01), Conklin
patent: 5315969 (1994-05-01), MacMillan

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Combined sleeve/poppet valve for internal combustion engine does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Combined sleeve/poppet valve for internal combustion engine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Combined sleeve/poppet valve for internal combustion engine will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1142825

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.