Ringless piston engine

Details Ringless piston engine Ringless piston engine

1986-08-15

1988-02-16

Cuchlinski, Jr., William A.

Internal-combustion engines

Multiple cylinder

Cylinders in-line

123 4102, 123 4137, 123197AC, F02B 7520, F01P 312

Patent

active

047248009

ABSTRACT:
An non-lubricated, ringless piston engine without a conventional heat exchange system having a cross-head guide for guiding and restraining the piston within a cylinder of a two-stroke engine. The piston-bore radial clearance gap is maintained during engine operation by means of a capacitance sensor controlling a temperature equilibrium flow system within the piston head and the cylinder jacket. The engine operates at high speeds to minimize horsepower losses due to gas leakage, while benefiting from reduced friction losses resulting from absence of piston rings. Blowing gases are collected and returned to the combustion chamber from a pumping chamber formed beneath the piston and above the cross-head guide.

REFERENCES:
patent: 1237373 (1917-08-01), Nordberg
patent: 1852861 (1932-04-01), Simmen
patent: 1922393 (1933-08-01), Pielstick
patent: 2155068 (1939-04-01), Wati
patent: 3230940 (1966-01-01), Hofmann
patent: 3413963 (1968-12-01), Hellingman

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