Bearing surface for internal combustion engine piston skirt

Details Bearing surface for internal combustion engine piston skirt Bearing surface for internal combustion engine piston skirt

1985-12-17

1987-12-29

Garrett, Robert E.

Expansible chamber devices

Piston

Open-ended hollow skirt type

92237, 92238, 92239, F16J 102, F16J 104, F16J 116

Patent

active

047152672

ABSTRACT:
A piston for an internal combustion engine is provided with two separate skirt portions on either side of the gudgeon pin bore. Each skirt portion is the shape of a sector of a cylinder and is cantilevered on a pair of struts connected to the skirt members at points intermediate their top and bottom edges. The skirt members have top and bottom bearing surfaces which provide the running surfaces against the associated cylinder or liner and which are connected to the centers of the skirt members by flexible flanges. This allows these running portions to flex and absorb substantial lateral loads without creating noise so that the piston is quiet as well as being lightweight.

REFERENCES:
patent: 1725676 (1929-08-01), Saunders
patent: 1774396 (1930-08-01), Noble
patent: 1891914 (1932-12-01), Butler
patent: 1926329 (1933-09-01), Chilton
patent: 2352592 (1944-07-01), Alexandrescu
patent: 2705667 (1955-04-01), Fahlman et al.
patent: 3987709 (1975-04-01), Day
patent: 4161165 (1979-07-01), Belush et al.
patent: 4354426 (1982-10-01), Steidle

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