Apparatus and method for replacing apex seals in a rotary device

Details Apparatus and method for replacing apex seals in a rotary device Apparatus and method for replacing apex seals in a rotary device

1986-10-20

1988-03-01

Croyle, Carlton R.

Rotary expansible chamber devices

Methods

418 61B, 418252, F01C 100, F01C 2100

Patent

active

047282703

ABSTRACT:
A rotary device and method for replacing apex seals is provided. The rotary device comprises a housing having a peripheral wall surface and two inner side walls that define a chamber. A rotor is located within the chamber and rotates therein. The peripheral wall surface of the housing includes a plurality of slots having disposed therein an insert, a wave spring, and an apex seal. The apex seal extends radially outward from the slot and is spring biased by the wave spring that is sandwiched between the insert and apex seal. The side walls of the housing include spring biased button seals. The button seals are urged against a portion of the apex seal. A side wall of the housing includes a rotatable nut for relieving the spring pressure on the button seal and an aperture covered by a removable cap for accessing the insert member so that it can be removed. A method of replacing the apex seals is also provided.

REFERENCES:
patent: 1452024 (1923-04-01), Campbell
patent: 1636486 (1927-07-01), Planche
patent: 3036527 (1962-05-01), Peterson
patent: 3193186 (1965-07-01), Peras
patent: 3288118 (1966-11-01), Abermeth
patent: 3366317 (1968-01-01), Keylwert
patent: 3369739 (1968-02-01), Abermeth
patent: 3721218 (1973-03-01), Null
patent: 4460321 (1984-07-01), Terauchi

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