Articulated piston

Details Articulated piston Articulated piston

1989-07-11

1991-12-10

Look, Edward K.

Expansible chamber devices

With lubricating means

Piston has lubricant retaining or conducting means

92186, 123 4135, F01B 3110

Patent

active

050707680

ABSTRACT:
A two-piece piston composed of independent head and skirt portions, wherein the skirt portion is mounted by means of a wrist pin on bosses located on the lower end of members pending from the head portion, the head portion being provided with an annular recess between the combustion bowl and the ring zone, and the skirt provided with a tray on its upper end, the annular recess and the tray defining a semi-open cooling chamber. With the piston assembled, the lower end of the head portion below the ring zone and the upper end of the skirt portion, which constitutes the outer wall of the tray, define an oil baffle designed to prevent the cooling oil from flowing from the tray toward the space between the piston and the cylinder.

REFERENCES:
patent: 1783477 (1930-12-01), Mansfield
patent: 2442408 (1948-06-01), Graham
patent: 3613521 (1971-10-01), Itano
patent: 3930472 (1976-01-01), Athenstaedt
patent: 4044731 (1977-08-01), Lindner
patent: 4056044 (1977-11-01), Kamman et al.
patent: 4180027 (1979-12-01), Taylor
patent: 4286505 (1981-09-01), Amdall
patent: 4372194 (1983-02-01), Vallaude
patent: 4644853 (1987-02-01), Russell et al.
patent: 4662319 (1987-05-01), Ayoul
Dubbel, Tashunbuch fur den Maschinenbau, 1987, Seiten G82-83 (no month).

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