US3778201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor blade
Assignee: Fuller Co
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Filing: 1972-03-23
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Granted: 1973-12-11
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Expires: 1992-03-23
Abstract
Abstract An improved blade or vane structure is provided for a rotary, vane-type fluid compressor. The vane has a solid body of a metal having a low density and a high heat conducting capacity. The metal body is coated with an abrasion-resisting coating which has voids therein between the outer surface of the coating and the vane body. The voids are filled with plastic material to strengthen the coating against collapse in response to forces imposed on the vane during operation of the compressor. An outer coating of self-lubricating material may be bonded to the outer surface of the abrasion-resisting coating.
Inventors
- 👤 T Caffrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:48
CPC Classifications
F; F01; F01C; F01C21/00; F01C21/08; F01C21/0809; F04; F04C; F04C2230/00; F04C2230/90; F04C2230/91; F05; F05B; F05B2230/00; F05B2230/90; F05B2280/00; F05B2280/10; F05B2280/50; F05C; F05C2201/00; F05C2201/02; F05C2201/021; F05C2201/028; F05C2201/04; F05C2201/0433; F05C2201/0448; F05C2225/00
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
17 words
The combination according to claim 1, and a coating of self-lubricating material bonded to said abrasion-resisting coating.
Claim 2
Dependent Claim
14 words
The combination according to claim 1, wherein said impregnant is a thermosetting plastic resin.
Claim 3
Dependent Claim
14 words
The combination according to claim 3, wherein said thermosetting resin is a polyester resin.
Claim 4
Dependent Claim
13 words
The combination according to claim 7, wherein said metal body is essentially magnesium.
Claim 5
Dependent Claim
25 words
The combination according to claim 7, and a coating approximately 0.0002 inch to 0.0001 inch thick of a self-lubricating material bonded to said abrasion-resisting coating.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |