US4741631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary engine intermediate housing bearing support assembly
Assignee: Rotary Power International Inc
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Filing: 1987-03-20
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Granted: 1988-05-03
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Expires: 2007-03-20
Abstract
Abstract A split bearing support receives a crankshaft bearing. When joined, the two bearing support parts form a hub with a frustoconical outer surface. The hub has a plurality of spaced-apart bolt holes extending axially therein. The bearing support is received by a housing which has a central opening surrounded by a frustoconical inner surface which mates with the outer surface of the bearing support hub. The bearing support and the housing are held together by a plurality of bracket segments which are attached to the side of the bearing support by bolts received in the bolt holes.
Inventors
- 👤 Branko A. Terkovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:13
CPC Classifications
F; F16; F16C; F16C9/00; F16C9/02; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/08
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
139 words
In a multi-unit rotary mechanism having at least two rotors interconnnected by a generally uniform diameter shaft and having a housing with an opening through which the shaft extends, the housing also receiving a bearing support, the bearing support having a central opening for receiving a bearing which slidably engages the shaft, characterized by: the housing having a frustoconical inner surface surrounding the housing opening; the bearing support having a frustoconical outer surface for direct engagement with the housing inner surface and having a uniform diameter inner surface for direct engagement with an outer surface of the bearing; a plurality of bracket members; and means for fastening the bracket members to the bearing support so that the bracket members engage the housing and hold the housing inner surface in mating engagement with the outer surface of the bearing support.
Claim 2
Dependent Claim
139 words
In a multi-unit rotary mechanism having at least two rotors interconnnected by a generally uniform diameter shaft and having a housing with an opening through which the shaft extends, the housing also receiving a bearing support, the bearing support having a central opening for receiving a bearing which slidably engages the shaft, characterized by: the housing having a frustoconical inner surface surrounding the housing opening; the bearing support having a frustoconical outer surface for direct engagement with the housing inner surface and having a uniform diameter inner surface for direct engagement with an outer surface of the bearing; a plurality of bracket members; and means for fastening the bracket members to the bearing support so that the bracket members engage the housing and hold the housing inner surface in mating engagement with the outer surface of the bearing support.
Claim 3
Dependent Claim
48 words
The invention of claim 1, wherein each bracket member comprises: a curved body having a first axially facing end face engaging the housing and having a second axially facing end face engaging the bearing support, the first end face being spaced radially outwardly of the second end face.
Claim 4
Dependent Claim
17 words
The invention of claim 2, wherein the first and second end faces lie in a common plane.
Claim 5
Dependent Claim
26 words
The invention of claim 1, wherein the fastening means comprises: a bolt extending through the bracket and threadably received in a bore in the bearing support.
Claim 6
Dependent Claim
148 words
In a multi-unit rotary mechanism having at least two rotors interconnected by a shaft and having a housing with an opening through which the shaft extends, the housing also receiving a bearing support, the bearing support having a central opening for receiving a bearing which slidably engages the shaft, characterized by: the housing having a frustoconical outer surface; a plurality of bracket members, each bracket member comprising a curved body having a first axially facing end face engaging the bearing support, the first end face being spaced radially outwardly of the second end face, the curved body of the support bracket having a recess therein separating the first and second end faces; and means for fastening the bracket members to the bearing support so that the bracket members engage the housing and hold the housing inner surface in mating engagement with the outer surface of the bearing support.
Claim 7
Dependent Claim
148 words
In a multi-unit rotary mechanism having at least two rotors interconnected by a shaft and having a housing with an opening through which the shaft extends, the housing also receiving a bearing support, the bearing support having a central opening for receiving a bearing which slidably engages the shaft, characterized by: the housing having a frustoconical outer surface; a plurality of bracket members, each bracket member comprising a curved body having a first axially facing end face engaging the bearing support, the first end face being spaced radially outwardly of the second end face, the curved body of the support bracket having a recess therein separating the first and second end faces; and means for fastening the bracket members to the bearing support so that the bracket members engage the housing and hold the housing inner surface in mating engagement with the outer surface of the bearing support.
Claim 8
Dependent Claim
24 words
The invention of claim 5, wherein the recess prevents engagement of the bracket with an edge of the frustoconical inner surface of the housing.
Claim 9
Dependent Claim
21 words
The invention of claim 5, wherein the recess spans one end of a joint between the housing and the bearing support.
Claim 10
Dependent Claim
136 words
In a multi-unit rotary mechanism having at least two rotors interconnected by a shaft and having a housing with an opening through which the shaft extends, the housing also receiving a bearing support, the bearing support having a central opening for receiving a bearing which slidably engages the shaft, characterized by: the housing having a frustoconical inner surface surrounding the housing opening; the bearing support having a frustoconical outer surface; a plurality of bracket members, each bracket member having a recess therein which spans an area adjacent to an end of a joint between the frustoconical outer and inner surfaces; and means for fastening the bracket members to the bearing support so that the bracket members engage the housing and hold the housing inner surface in mating engagement with the outer surface of the bearing support.
Claim 11
Dependent Claim
136 words
In a multi-unit rotary mechanism having at least two rotors interconnected by a shaft and having a housing with an opening through which the shaft extends, the housing also receiving a bearing support, the bearing support having a central opening for receiving a bearing which slidably engages the shaft, characterized by: the housing having a frustoconical inner surface surrounding the housing opening; the bearing support having a frustoconical outer surface; a plurality of bracket members, each bracket member having a recess therein which spans an area adjacent to an end of a joint between the frustoconical outer and inner surfaces; and means for fastening the bracket members to the bearing support so that the bracket members engage the housing and hold the housing inner surface in mating engagement with the outer surface of the bearing support.
Claim 12
Dependent Claim
149 words
In a multi-unit rotary mechanism having at least two rotors interconnected by a shaft and having a housing with an opening through which the shaft extends, the housing also receiving a bearing support, the bearing support having a central opening for receivng a bearing which slidably engages the shaft, characterized by: the housing having a frustoconical inner surface surrounding the housing opening; the bearing support having a frustoconical outer surface; a plurality of bracket members, each bracket member having a groove in a side of the bracket facing the housing, the groove being located so as to prevent engagement of the bracket with an edge of the frustoconical inner surface of the housing; and means for fastening the bracket members to the bearing support so that the bracket members engage the housing and hold the housing inner surface in mating engagement with the outer surface of the bearing support.
Claim 13
Dependent Claim
149 words
In a multi-unit rotary mechanism having at least two rotors interconnected by a shaft and having a housing with an opening through which the shaft extends, the housing also receiving a bearing support, the bearing support having a central opening for receivng a bearing which slidably engages the shaft, characterized by: the housing having a frustoconical inner surface surrounding the housing opening; the bearing support having a frustoconical outer surface; a plurality of bracket members, each bracket member having a groove in a side of the bracket facing the housing, the groove being located so as to prevent engagement of the bracket with an edge of the frustoconical inner surface of the housing; and means for fastening the bracket members to the bearing support so that the bracket members engage the housing and hold the housing inner surface in mating engagement with the outer surface of the bearing support.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-05-03 | 1991-11-02 | 1992-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-05-03 | 1995-11-02 | 1996-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-05-03 | 1999-11-02 | 2000-05-03 | $7700.00 | Window Closed / Lapsed |