Expansible chamber devices – Piston – Side wall portion includes peripheral axially extending...
Patent
1980-11-12
1983-04-05
Maslousky, Paul E.
Expansible chamber devices
Piston
Side wall portion includes peripheral axially extending...
92 5R, 92249, 91DIG4, F16J 908
Patent
active
043787266
ABSTRACT:
A permanent magnet on a piston for use with a magnetic force pickup for sensing the position of the piston is locked in place between two backup rings and is seated within the washer of the piston. The washer has two inwardly extending flanges placed on the two axial sides of the permanent magnet between it and the backup rings.
REFERENCES:
patent: 2487390 (1949-11-01), Smith
patent: 2596516 (1952-05-01), Wellington
patent: 3956973 (1976-05-01), Pomplas
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