Dual purpose automatic transmission oil pan

Details Dual purpose automatic transmission oil pan Dual purpose automatic transmission oil pan

1989-08-07

1991-02-26

Dawson, Robert A.

Liquid purification or separation

Structural installation

Closed circulating system

210172, 210222, 210223, 74467, 74606R, 184 62, 184 624, 184 625, 335305, F01M 1106

Patent

active

049959719

ABSTRACT:
A dual purpose automatic transmission oil pan (10) for covering transmission components (20,22) and containing a reservoir of oil in a sump portion (32). First and second drainback channels (34,36) extend to the sump portion (32) from spaced drain openings (16,18) of a closed-barrel transmission case (14) which permit free flow of oil to the sump portion (32). A magnetic filter (40) is secured to a ramp surface (44) at the confluence of the oil flows (A,B) from the first and second drainback channels (34,36) for removing ferrous contaminants from the oil. An inlet port (26) of a filter cartridge opens into an inlet port region (46) of the sump portion (32).

REFERENCES:
patent: 1024579 (1912-04-01), Huff
patent: 2622699 (1952-12-01), Mills
patent: 2677440 (1954-05-01), Willis
patent: 2976999 (1961-03-01), Paton
patent: 3056501 (1962-10-01), Thormau et al.
patent: 3151703 (1964-10-01), Benk
patent: 3189126 (1965-06-01), May
patent: 3354988 (1967-11-01), Leonard
patent: 3800914 (1974-04-01), Miyata
patent: 3869391 (1975-03-01), Kramer
patent: 4683850 (1987-08-01), Bauder
patent: 4773995 (1988-09-01), Kondo

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