Cutting fluid supply apparatus

Details Cutting fluid supply apparatus Cutting fluid supply apparatus

1983-10-13

1985-04-30

Smith, Leonard E.

Pumps

Motor driven

Fluid motor

91 40, 13762414, F04B 908, F15B 2102

Patent

active

045141495

ABSTRACT:
A system for providing a high pressure pulsating flow of cutting fluid includes a piston pump having a piston cylinder for pumping the cutting fluid and an air cylinder for reciprocatingly actuating the piston cylinder. An air-operated direction change-over valve controls supplying of air to one end of the air cylinder or the other from a compressed air source. A pulse frequency setting unit, including a fluidic NOT device, controls the position of the change-over valve pneumatically thereby determining the frequency of reciprocation of the air cylinder and thereby the frequency of pulsations in flow of the cutting fluid.

REFERENCES:
patent: 3396873 (1968-08-01), Nef
patent: 3516763 (1970-06-01), Manton
patent: 3872876 (1975-03-01), Bachman

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