Method of making a motor/generator cooling jacket
First Claim
1. A method of making a cooling jacket assembly for an electric machine, comprising the following steps:
- forming a hollow cylindrical housing having an outer peripheral surface and an annular axially facing end surface, and having a plurality of grooves formed in the outer peripheral surface;
forming an inlet port in the housing, said inlet port extending through the end surface and communicating with a first portion of the grooves;
forming an outlet port in the housing, said outlet port extending through the end surface and communicating with a second portion of the grooves;
forming a pair of sealing recesses in the outer peripheral surface, said recesses being spaced apart on opposite sides of the grooves;
placing a seal in each of the sealing recesses;
forming the housing with a lip projecting radially from one end thereof, the lip forming an axially facing annular abutment surface; and
sliding a cylindrical sleeve over the outer peripheral surface of the housing so that the sleeve slidably engages the outer peripheral surface, engages the abutment surface of the lip and sealingly engages the seals.
1 Assignment
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Accused Products
Abstract
A cooling jacket assembly is made for an electric motor or generator. A hollow cylindrical housing is cast with an outer peripheral surface and an annular axially facing end surface, a plurality of grooves formed in the outer peripheral surface and a radial lip at one end. The outer peripheral surface is machined into a smooth surface having a uniform diameter. Inlet and outlet ports are drilled through the end surface to communicate with the grooves. A pair of sealing recesses are formed in the outer peripheral surface on opposite sides of the grooves, and an O-ring seal is placed in each recess. A cylindrical sleeve is slid over the outer peripheral surface of the housing until it engages the lip and so that the sleeve slidably engages the outer peripheral surface and sealing engages the seals.
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Citations
5 Claims
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1. A method of making a cooling jacket assembly for an electric machine, comprising the following steps:
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forming a hollow cylindrical housing having an outer peripheral surface and an annular axially facing end surface, and having a plurality of grooves formed in the outer peripheral surface; forming an inlet port in the housing, said inlet port extending through the end surface and communicating with a first portion of the grooves; forming an outlet port in the housing, said outlet port extending through the end surface and communicating with a second portion of the grooves; forming a pair of sealing recesses in the outer peripheral surface, said recesses being spaced apart on opposite sides of the grooves; placing a seal in each of the sealing recesses; forming the housing with a lip projecting radially from one end thereof, the lip forming an axially facing annular abutment surface; and sliding a cylindrical sleeve over the outer peripheral surface of the housing so that the sleeve slidably engages the outer peripheral surface, engages the abutment surface of the lip and sealingly engages the seals. - View Dependent Claims (2, 3, 4, 5)
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Specification