Device for controlling the function of central lubrication insta

Details Device for controlling the function of central lubrication insta Device for controlling the function of central lubrication insta

1984-05-04

1985-12-03

Tolin, G. P.

Electricity: circuit makers and breakers

Fluid pressure

Flow-responsive type

200 82R, 200275, H01H 3538

Patent

active

045567662

ABSTRACT:
In a device for controlling the function of central lubrication installations with two electrically conducting components (8, 9) integrated into a signal circuit, a contact piston (18) provides the electrical contact between these components (8, 9). The contact piston (18) is guided with zero play in a bore (17) of one of the components (8, 9). It has a sealing section (19) which, in the working position of the device, is bypassed by two side ducts (24, 26) and a connected duct (25). One (24) of the connecting ducts (24, 26) emerges at a position in the bore (17) serving to guide the contact piston (18), which position is sufficiently far removed from the outlet opening of a flow duct (22) that lubricant can only flow through the device when a comparatively large distance has been established between one component (9) and the contact piston (18).

REFERENCES:
patent: 2826754 (1958-03-01), Carignan
patent: 3077524 (1963-02-01), Blackburn
patent: 3120591 (1964-02-01), Lewis
patent: 3596031 (1971-07-01), Murakoshi

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