Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1995-04-03
1996-10-29
Cummings, Scott
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277164, 277190, 277191, 277205, F16J 1546
Patent
active
055689299
ABSTRACT:
A temperature-responsive actuator for a sealing assembly comprises first and second annular members each having a camming surface for engagement with one another, the first and second annular members being positioned against each other so that they are nested and together exhibit a height "h" at ambient temperatures, the first annular member having a coefficient of thermal contraction less than the coefficient of thermal contraction of the second annular member so that when the thermal actuator is subjected to temperatures less than ambient temperatures, the first and second annular members contract different amounts such that the "effective" height of the actuator becomes "h+.tangle-solidup.h".
REFERENCES:
patent: 3140342 (1964-07-01), Ehrreich et al.
patent: 3207523 (1965-09-01), Johnson
patent: 3279806 (1966-10-01), Bailkowski
patent: 3371946 (1968-03-01), Bleyle, Jr. et al.
patent: 3411812 (1968-11-01), Prince et al.
patent: 3567258 (1971-03-01), Scarmucci
H. Hugo Buchter: "Industrial Sealing Technology"; Jul 1986; pp. 57, 58, 82, 84-87, 349, 350.
William A. Prince: "Bi,etallic seal solves cryogenic sealing problems"; Hydraulics & Pneumatics; Nov. 1964; pp. 105-109.
"Metal V-Seals Mark II", Parker Seal Company; Mar. 1969, p. 5.
Cummings Scott
Field Harry B.
Lewis Terrell P.
Montanye George A.
Rockwell International Corporation
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