CS247133B1 - Groove lubrication and cooling system - Google Patents

Abstract

The invention relates to mechanical engineering, in particular to the lubrication and cooling of friction surfaces of machines, in particular spline joints. The aim of the solution is to increase reliability and reduce weight. The above-mentioned aim is achieved in that the cavity of the annular groove of the oil collector is connected to the cavity of the body containing the air-oil mixture by means of a central hole narrowing towards the outlet to the last central hole and radial holes located in that part of the shaft where the pitch of the central hole is smaller than the outer pitch of the shaft grooves.

Description

(54)

System of lubrication and cooling of grooves

The sewing and mechanical engineering relates, in particular, to the lubrication and cooling of the friction surfaces of machines, in particular grooved joints. The aim of the solution is to increase reliability and reduce weight.

This is accomplished by engaging the annular groove of the oil collector with the body cavity containing the air-oil mixture through a central aperture tapering towards the outlet of the last central aperture and radial apertures located in that portion of the shaft where the central pitch is bore smaller than the outer pitch of the shaft grooves.

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2.

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HcTOHHHKH ΗΗφορΜΒίχΗΗ:

1. In Annex V 1215894, p. F 1 G (προτοτηπ).

A Η Η 0 T A U Η H

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Claims (3)

SUBJECT OF THE INVENTION A groove joint lubrication and cooling system, comprising a body in the cavity of which are coupled shafts, one of which is provided with internal grooves extending into a cavity formed within the annular groove shaft of the oil collector, an external pitch greater than the pitch of the depressions. grooves, characterized in that, in order to increase reliability and reduce weight, the annular oil collecting groove cavity is connected to the body cavity containing the air-oil mixture through a central opening that tapers towards the outlet of the body cavity and the central opening of the radial openings, located in that part of the shaft where the diameter of the central bore is smaller than the external dimension of the shaft grooves. System according to claim 1, characterized in that on the inner surface of the shaft there are longitudinal depressions between the already mentioned radial openings, which open into an oil-scoring groove. System according to Claims 1 and 2, characterized in that on the outer surface of the shaft at the point where the radial bores emerge, there are flats inclined at an angle to the axis of the radial bores, to the side in the direction opposite to the rotation of the shaft.