Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Patent
1991-02-21
1992-10-13
Morris, Theodore
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
134 2218, 134 2219, 134 26, 123196R, 184 15, B08B 308, B08B 900
Patent
active
051547759
ABSTRACT:
A first pump can withdraw waste fluid from an oil pan reservoir and is used to introduce flushing fluid having a base material of re-refined oil through the oil filter and internal oil lubrication distribution passage system, to recirculate the flushing fluid within the internal oil lubrication distribution passage system, to withdraw the waste flushing fluid from the oil pan reservoir for disposal and storage in an external storage receptacle for storing both the expired oil and flushing fluid. An air purge connection is provided for evacuating fluid retained within the oil filter element and any fluid remaining in the internal oil lubrication distribution passage system into the oil pan reservoir prior to withdrawal of the fluid by the first pump. A second pump is provided for supplying fresh motor oil from an external storage receptacle through the oil filter and the internal oil lubrication distribution passage system. Optionally, a remote oil filter and drain mounting bracket provdes a central, easily accessible location within the engine compartment for connection to the oil changing apparatus and for changing the oil filter element. A drain plug adapter is connectible to the oil pan reservoir to provide connection to the first pump. Methods for removing waste or spent fluid and introducing fresh fluid through the oil filter element and internal oil lubrication distribution passage system, and for introducing, recirculating and removing flushing fluid from the internal oil lubrication distribution passage system are also disclosed.
REFERENCES:
patent: 3431145 (1964-11-01), Riley
patent: 4174231 (1979-11-01), Hobgood
patent: 4951784 (1990-08-01), Bedi
patent: 4964373 (1990-10-01), Bedi
Chaudry Saeed T.
K.J. Manufacturing Co.
Morris Theodore
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