Abstract A unitary apex seal assembly for rotary engines. The assembly includes a pair of spaced bolts each adapted to engage a respective side wall of the rotor-containing chamber of the engine. Each bolt has a generally radially extending slot, and each slot includes an enlarged seal-retaining portion. A spring is interposed between the bolts and connected to both, and is further adapted to urge the bolts away from each other when installed in a rotary engine. An apex seal is received in the slots of both of the bolts, and includes an enlarged section within the enlarged seal-retaining portion of each of the slots. The seal is provided with a raised surface located between the bolts for precluding substantial axial relative movement between the bolts and the seal, so that the seal and appurtenances can be installed within a rotor as a single assembly.
Inventors
👤 Alexander Goloff
Bibliographic Details
Application Number—
JurisdictionUS
Data Sourcegoogle_patents
Last Synchronized2026-10-29 15:57
CPC Classifications
F; F01; F01C; F01C19/00; F01C19/10
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
123 words
An apex seal assembly for rotary engines comprising a pair of spaced bolts, each adapted to engage a respective side wall of a rotor containing chamber of a rotary engine, each of said bolts having a generally radially extending slot therein, each said slot including an enlarged seal-retaining portion; resilient means interposed between and interconnecting said bolts and adapted to urge said bolts away from each other when installed in a rotary engine into engagement with a corresponding side wall; an apex seal received in the slots of both of said bolts, and said seal having an enlarged section within the enlarged seal-retaining portion of each of said slots; and means for precluding substantial lateral relative movement between said bolts and said seal.
Claim 2
Dependent Claim
123 words
An apex seal assembly for rotary engines comprising a pair of spaced bolts, each adapted to engage a respective side wall of a rotor containing chamber of a rotary engine, each of said bolts having a generally radially extending slot therein, each said slot including an enlarged seal-retaining portion; resilient means interposed between and interconnecting said bolts and adapted to urge said bolts away from each other when installed in a rotary engine into engagement with a corresponding side wall; an apex seal received in the slots of both of said bolts, and said seal having an enlarged section within the enlarged seal-retaining portion of each of said slots; and means for precluding substantial lateral relative movement between said bolts and said seal.
Claim 3
Dependent Claim
32 words
The apex seal assembly of claim 1 wherein said precluding means comprises a projection on a side surface of said seal and located between said bolts to engage a respective end thereof.
Claim 4
Dependent Claim
25 words
An apex seal assembly according to claim 1 wherein said resilient means comprises a helix having its ends threaded into respective bores in said bolts.
Claim 5
Dependent Claim
36 words
An apex seal assembly according to claim 1 wherein the sum of the lengths of said bolts is only somewhat less than the width of the rotor with which said seal assembly is to be used.
Claim 6
Dependent Claim
16 words
An apex seal assembly according to claim 1 further including a pilot pin interconnecting said bolts.