Fluid cylinder with cooling passages

Details Fluid cylinder with cooling passages Fluid cylinder with cooling passages

1992-11-06

1994-07-26

Look, Edward K.

Expansible chamber devices

Annular working member or annular linearly extending chamber...

Axially extending hollow stem on working member

92111, 92186, 227 15, 227 16, 277DIG8, F01B 3108, F16J 1516

Patent

active

053318846

ABSTRACT:
A space (32) is formed between an inner end of a fitting hole (31) formed in a piston (21) and a piston rod (22) and is positioned radially inside a sealing member (24). By circulating a cooling fluid through the space, the majority of heat which is transmitted to the piston rod (22) can be absorbed, preventing transmission of heat to the sealing member. The temperature of the sealing member is kept lower and its deterioration can be inhibited.

REFERENCES:
patent: 323749 (1885-08-01), Stitzel
patent: 363453 (1887-05-01), Ford
patent: 1788298 (1931-01-01), Hottel
patent: 2953119 (1960-09-01), Geyer
patent: 3118348 (1964-01-01), Kline
patent: 3146680 (1964-09-01), Hutter et al.
patent: 3296943 (1967-01-01), Rosman
patent: 3353352 (1967-11-01), Gardner
patent: 3604056 (1971-09-01), Larsen
patent: 3678805 (1972-07-01), Weyman
patent: 4036113 (1977-07-01), Kunz
patent: 4907495 (1990-03-01), Sugahara
patent: 4961372 (1990-10-01), Leonhartsberger
patent: 5156523 (1992-10-01), Maier

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