Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1986-06-05
1987-02-17
Ward, Robert S.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277138, 277161, 418142, F16J 1534, F01C 1902
Patent
active
046434380
ABSTRACT:
An axial oil seal of a rotary piston internal combustion engine of trochoidal type of construction having a housing that consists of two side plates and a two-lobed or dual-curvature mantle runway with an eccentric shaft passing through the housing and including a triangular piston upon an eccentric of the eccentric shaft such that corners of the piston are continuously in sliding engagement of the sealing parts of the gas seal rotating along the mantle runway and the housing side walls, such oil seal within the axial gas seal being arranged in a groove in the piston, which oil seal consists of at least one sealing ring having a trapezoidal shape in radial cross section and an oil-wiping or scraping edge provided with spring effect of the oil-wiping scraping edge against the housing side wall as well as a seal closing and shutting off a groove path.
REFERENCES:
patent: 1640155 (1927-08-01), Low
patent: 2155031 (1939-04-01), Amberg
patent: 2313395 (1943-03-01), Phillips
patent: 3575541 (1971-04-01), Hamada
patent: 3947046 (1976-03-01), Maruyama et al.
patent: 4061447 (1977-12-01), Kato
patent: 4080120 (1978-03-01), Eiermann
Klusowski Hans-Jurgen
Schonich Helmut
Wankel GmbH
Ward Robert S.
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