Relatively displacing apparatus

Details Relatively displacing apparatus Relatively displacing apparatus

1990-09-07

1993-02-09

Look, Edward K.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428632, 428633, 428937, 277 53, 277 962, 4151734, 415200, 417407, B32B 1504, F01D 1108

Patent

active

051852179

ABSTRACT:
A relatively displacing apparatus including a movable member and a stationary member which has a coating layer disposed adjacent to the movable member, formed by flame spray coating and including at least one selected from the group consisting of hexagonal system boron nitride and ceric oxide. Since the coating layer is easily machined with the movable member, the coating layer comes to have a surface generated by machining with the movable member and the clearance between the movable member and the stationary member is made zero (0) substantially when the movable member and the stationary member displace relatively at a high temperature. Thus, the efficiency of the relatively displacing apparatus has improved. In addition, since the coating layer has a high thermal shock resistance, the durability of the relatively displacing apparatus has improved.

REFERENCES:
patent: 3053694 (1962-09-01), Daunt et al.
patent: 3078232 (1963-02-01), Wentorf, Jr.
patent: 3084064 (1963-04-01), Cowden et al.
patent: 3879831 (1975-04-01), Rigney et al.
patent: 4269903 (1981-05-01), Clingman et al.
patent: 4328285 (1982-05-01), Siemers et al.
patent: 4405284 (1983-09-01), Albrecht et al.
Japanese Patent Abstract, vol. 13, No. 380 (M-863) (3728) dated Aug. 23, 1989, of JP-A-01 134004, dated May 26, 1989.
Journal of Aircraft, vol. 16, No. 4, Apr., 1979, pp. 239-246, C. M. Taylor and R. C. Bill, "Thermal Stresses in a Plasma-Sprayed Ceramic Gas Path Steel".

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