Engine ports

Details Engine ports Engine ports

1975-10-31

1976-11-02

Vrablik, John J.

Rotary expansible chamber devices

Heat exchange or non-working fluid lubricating or sealing

418178, 277 22, 123 4141, 123 4177, 123 4185, F01C 2106, F04C 2904, F02F 1100, F01P 314

Patent

active

039894240

ABSTRACT:
An improved ported mechanism such as an engine, compressor or the like. The mechanism includes a housing defining a chamber and a liner is disposed within the housing and supported thereby to define the chamber walls. Coolant passages extend between the housing and the liner and a piston is movable within the chamber. A port receiving opening is located in the housing and a port in the liner is provided and includes a tubular element extending from the liner into the opening. A fluid-impervious heat transfer impeding structure is exteriorly of and surrounds the tubular element and is disposed within the opening. A flexible seal is in the opening and interposed between the housing and the heat transfer impeding device so that the seal prevents leakage at the port and the impeding device prevents rapid deterioration of the seal.

REFERENCES:
patent: 868978 (1907-10-01), Fischer
patent: 2085810 (1937-07-01), Ljungstrom
patent: 2415774 (1947-02-01), Voorhies
patent: 3139836 (1964-07-01), Jungbluth

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