Power plants – Pressure fluid source and motor – Pulsator
Patent
1986-04-16
1987-09-22
Garrett, Robert E.
Power plants
Pressure fluid source and motor
Pulsator
60592, 2851371, 2853324, 285347, B60T 1126, F15B 708, F15B 710
Patent
active
046946527
ABSTRACT:
In order to accommodate all of the tolerances along the bore centerline plane of the reservoir mount for a master cylinder, the reservoir bayonets or projections extending into the boss bores of the master cylinder body are at a reduced diameter established by worst case tolerancing. This results in greater side-to-side clearance perpendicular to the bore center-line than is desired in many instances, giving a relatively loose reservoir fit. To reduce this side-to-side clearance, locally raised ribs or the like are added to the reservoir mount bayonets to better match the diameter in the machined body reservoir bosses provided by the boss reservoir mounting surfaces. The clearance is reduced by locally increasing the diameter of the reservoir bayonet mounts based on worst case tolerancing considering only one reservoir mounting member and its associated mounting boss independently of the other mounting member and its associated mounting boss.
REFERENCES:
patent: 1774631 (1930-09-01), Boosey
patent: 3357724 (1967-12-01), Rassieur
patent: 4004425 (1977-01-01), Pickering
patent: 4474005 (1984-10-01), Steer
patent: 4483145 (1984-11-01), Takeuchi et al.
Garrett Robert E.
General Motors Corporation
Kapsalas George
McGraw D. D.
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