Internal-combustion engines – Lubricators – Crankcase – pressure control
Patent
1980-09-12
1982-06-22
Weakley, Harold W.
Internal-combustion engines
Lubricators
Crankcase, pressure control
137110, 137269, 1375991, 123196AB, 220287, 236 93A, 236 99J, 210181, 210184, 184104B, F01M 100
Patent
active
043356885
ABSTRACT:
A coupling adapter is disclosed for coupling a remotely-located fluid circulation device and a fluid filter to the fluid reservoir of an engine, transmission unit or other hydraulic system in place of a standard spin-on fluid filter. The adapter consists of a disk-shaped body having first and second spaced-apart end surfaces. First and second cylindrically-shaped cavities extend partially into the disk-shaped body, respectively, from the first and second end surfaces. A plurality of concentric ridges intersticed with concentric grooves is provided in the first end surface surrounding the first cylindrically-shaped cavity. A central wall section within the disk-shaped body separates the first and second cavities. A central bore extends coaxially through the central wall section for receiving and supporting a hollow nipple adapted to align and secure the coupling adapter to the fluid reservoir. A spin-on fluid filter is adapted for attachment to the second end surface upon threaded engagement with the hollow nipple. Spaced-apart outlet and inlet ports extend, respectively, into the first and second cavities from the outer peripheral surface of the disk-shaped body. Fluid flowing from the reservoir into the first cavity is conveyed through the outlet port to a remotely-located fluid circulation device and then returned through the inlet port to the second cavity prior to filtering by the fluid filter. A valve, which may be thermally responsive, is located within the central wall section for controlling the flow of fluid within the adapter.
REFERENCES:
patent: 2007805 (1935-07-01), Lippert
patent: 2524798 (1950-10-01), Hoskinson
patent: 2736536 (1956-02-01), Banowitz
patent: 3463317 (1969-08-01), Prier
patent: 3482699 (1969-12-01), Kauffman
patent: 3929643 (1975-12-01), Donaldson
patent: 4193442 (1980-03-01), Vian
Spencer B. F.
Weakley Harold W.
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