Lubrication – Systems – Machine tools
Patent
1991-07-25
1994-03-29
Davis, Jr., Albert W.
Lubrication
Systems
Machine tools
184 624, 184 271, 407 11, 408 61, 409136, B23B 5106
Patent
active
052976572
ABSTRACT:
A coolant system is disclosed for use with a machine tool in which coolant is used to both cool and lubricate a workpiece and cutting tool. The system of the present invention utilizes a positive displacement pump with one or more spray nozzles each having a restricted orifice whereby the coolant is sprayed from the nozzles at a relatively high velocity and pressure enabling the coolant to be precisely directed to the cutting location to provide optimum cooling and lubricating of the workpiece and cutting tool. Check valves are provided for both the pump inlet and outlet lines to maintain the pump in a primed condition and prevent drainage of coolant from the coolant system when the pump is not operating. The system filter is mounted to a flexible coolant line to enable the filter to be raised from the coolant reservoir and the filter is coupled to the coolant line by a quick connect/disconnect coupler to enable the filter to be raised from the reservoir and quickly replaced with a clean filter when the first filter becomes clogged and requires cleaning.
REFERENCES:
patent: 989002 (1911-04-01), Hanson
patent: 2039002 (1936-04-01), Hutchison
patent: 2653517 (1953-09-01), Pigott
patent: 3547350 (1970-12-01), Marcoux
patent: 4529340 (1985-07-01), O'Dell
Brittani-7, Inc.
Davis Jr. Albert W.
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