Piston sealing

Details Piston sealing Piston sealing

1977-08-12

1981-02-17

Davis, Albert W.

Heat exchange

Regenerator

Checker brick structure

123 4116, 123 4172, 123 412, 92144, 92169, 165105, F28D 1500

Patent

active

042509530

ABSTRACT:
Ceramic coatings prevent metal to metal contact between double acting pistons and cylinders. Cylinders and pistons operate in true cylindrical form. Ceramic coated cylinders are gradually brought to operating temperatures while temporary cutting pistons shape the coating to a true cylinder at operating temperature. Cylinders are formed true while cold and cylinders and heads are jacketed with high heat flow conductors so that the cylinders and cylinder heads have uniform operating temperature.

REFERENCES:
patent: 1824528 (1931-09-01), Bailey
patent: 2114238 (1938-04-01), Rabatel
patent: 2277113 (1942-03-01), Kimmel
patent: 2292946 (1942-08-01), Karig
patent: 3493177 (1970-02-01), Bromberg et al.
patent: 3592298 (1971-07-01), Leffert et al.
patent: 3731660 (1973-05-01), Leffert
patent: 3811493 (1974-05-01), Billinski et al.
patent: 3838668 (1974-10-01), Hays et al.

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