Reciprocating internal combustion engine

Details Reciprocating internal combustion engine Reciprocating internal combustion engine

1975-09-15

1977-08-16

Dority, Jr., Carroll B.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

92162R, 123196CP, 123198P, F02B 7700, F01M 100

Patent

active

040419240

ABSTRACT:
An internal combustion engine comprises a cylinder having a horizontal axis, one end of the cylinder being formed as a combustion chamber and the other end opening into a crankcase receiving a lubricating atmosphere. A piston slidable in the cylinder has a space therein communicating with the crankcase. The piston is formed with grooves of rectangular cross-section with a base and a pair of transverse surfaces. A scraper groove furthest from the combustion chamber receives a scraper ring and has orifices in its base communicating with the piston space, the other sealing grooves receiving piston rings, annular gaps between the piston and cylinder being left on each side of the piston and scraper rings. The annular gaps are placed in continuous communication with the groove bases by at least one recess on each transverse surface of a sealing groove and by at least one recess on that transverse surface of the scraper groove which is nearest the combustion chamber.

REFERENCES:
patent: 1871820 (1932-08-01), Morton
patent: 2513492 (1950-07-01), Kleinfeld
patent: 2547957 (1951-04-01), Meadows
patent: 3364675 (1968-01-01), Dorer
patent: 3379186 (1968-04-01), Yost
patent: 3396976 (1968-08-01), Reinhoudt
patent: 3489130 (1970-01-01), Polidan
patent: 3544118 (1970-12-01), Klein
patent: 3653303 (1972-04-01), Zurcher

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