US3834846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotor supporting arrangement for a compressor
Assignee: Robert Bosch GmbH
•
Filing: 1973-05-11
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Granted: 1974-09-10
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Expires: 1993-05-11
Abstract
Abstract A stationary pintle projects from one side of a housing into a housing cavity, and has two axially spaced bearing supporting a rotor which has a pot-shaped portion including an endless wall surrounding the pintle and closed by a bottom part to which a drive shaft portion of the rotor is secured. The bearings are either provided between the endless wall and the outer surface of the pintle, or between the drive shaft portion and the inner surface of a tubular pintle. Preferably, the center of gravity of the rotor is located between the bearings.
Inventors
- 👤 E Linder
- 👤 G Adalbert
- 👤 J Hess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:59
CPC Classifications
F; F04; F04C; F04C29/00; F04C29/0042; F04C29/0078; F04C18/00; F04C18/30; F04C18/34; F04C18/344; F04C18/3441
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
138 words
Rotor supporting arrangement for a compressor, comprising housing means including first and second side wall means, and forming a cavity; a stationary supporting pintle projecting from one of said side wall means into said cavity and having a free end spaced from the respective other side wall means; rotor means having an axis, and located in said cavity, said rotor means including a pot-shaped portion having an endless wall surrounding said pintle, and a bottom part located between said free end of said pintle and said other side wall means, said rotor means further including a drive shaft portion projecting from said bottom part through said first side wall means out of said cavity; and two bearings mounted on said pintle spaced from each other and supporting said drive shaft on said pintle for rotation about said axis.
Claim 2
Dependent Claim
138 words
Rotor supporting arrangement for a compressor, comprising housing means including first and second side wall means, and forming a cavity; a stationary supporting pintle projecting from one of said side wall means into said cavity and having a free end spaced from the respective other side wall means; rotor means having an axis, and located in said cavity, said rotor means including a pot-shaped portion having an endless wall surrounding said pintle, and a bottom part located between said free end of said pintle and said other side wall means, said rotor means further including a drive shaft portion projecting from said bottom part through said first side wall means out of said cavity; and two bearings mounted on said pintle spaced from each other and supporting said drive shaft on said pintle for rotation about said axis.
Claim 3
Dependent Claim
37 words
Arrangement as claimed in claim 1, wherein said axis of said rotor means and of said bearings is horizontal; and wherein a vertical line through the center of gravity of said rotor means passes between said bearings.
Claim 4
Dependent Claim
19 words
Arrangement as claimed in claim 2, wherein said vertical line and said horizontal axis intersect in a common plane.
Claim 5
Dependent Claim
32 words
Arrangement as claimed in claim 1, wherein said one side wall means include an outer cover, and a planar end wall bounding one axial end of said cavity and supporting said pintle.
Claim 6
Dependent Claim
48 words
Arrangement as claimed in claim 4, wherein said housing means includes a central annular housing part on which said first and second side wall means abut, and a pivot pin secured to said annular central housing part and mounting said end wall for angular adjustment with said pintle.
Claim 7
Dependent Claim
106 words
Arrangement as claimed in claim 1, wherein said one side wall means is said first side wall means and said other side wall means is said second side wall means; wherein said pintLe is tubular and has an inner cylindrical bore; wherein said bearings are mounted in said cylindrical bore; and wherein said drive shaft portion is located in said cylindrical bore supported on said bearings and passes through said endless wall of said pot-shaped part, said drive shaft portion being secured to said bottom part so that said pot-shaped portion of said rotor means is supported by said drive shaft portion on said tubular pintle.
Claim 8
Dependent Claim
35 words
Arrangement as claimed in claim 6, wherein said tubular pintle includes a tubular portion projecting axially outward from said first side wall means; and wherein one of said bearing is located in said tubular portion.
Claim 9
Dependent Claim
85 words
Arrangement as claimed in claim 1, wherein said one side wall means is said second side wall means; wherein said bottom part is located adjacent said first side wall means; wherein said drive shaft portion is secured to the outside of said bottom part and projects out of said cavity through said first side wall means; and wherein said bearings are located between the outer surface of said pintle and the inner surface of said endless wall of said pot-shaped portion of said rotor means.
Claim 10
Dependent Claim
17 words
Arrangement as claimed in claim 8, wherein said bottom part is integral with said drive shaft portion.
Claim 11
Dependent Claim
22 words
Arrangement as claimed in claim 1, wherein said bottom part has a slide face slidingly engaging said free end of said pintle.
References Cited (Backward Citations)
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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) | 1977-09-09 | 1978-03-11 | 1978-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-09 | 1982-03-11 | 1982-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-09 | 1986-03-11 | 1986-09-10 | $7700.00 | Window Closed / Lapsed |