Articulated piston apparatus including a cooling gallery

Details Articulated piston apparatus including a cooling gallery Articulated piston apparatus including a cooling gallery

1995-06-08

1997-12-02

Denion, Thomas E.

Expansible chamber devices

With lubricating means

Piston has lubricant retaining or conducting means

92158, 92190, 92219, 1231936, F01B 3100

Patent

active

056924305

ABSTRACT:
An articulated piston apparatus including an improved skirt member wherein the skirt member includes a cooling gallery channel with means for providing a directed flow of lubricant from the cooling gallery channel to the elements of the piston apparatus disposed within the skirt bore, wherein during the upward stroke of the piston apparatus a downwardly directed flow of lubricant flows from the cooling gallery channel through a bore from the cooling gallery channel to the skirt bore and therein impinges those elements of the piston apparatus to assure complete lubrication thereof.

REFERENCES:
patent: 4011797 (1977-03-01), Cornet
patent: 4180027 (1979-12-01), Taylor
patent: 4593660 (1986-06-01), Elsbett et al.
patent: 4794848 (1989-01-01), Melchior
patent: 4867119 (1989-09-01), Cooper et al.
patent: 4947805 (1990-08-01), Steppat et al.
patent: 5040454 (1991-08-01), Ballheimer et al.

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