Patent US3896847A successfully refreshed from Google Patents.
US3896847A
Expired / Lapsed
US
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Lamellar valves
Assignee: Hoerbiger Ventilwerke GmbH and Co KG
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Filing: 1973-12-17
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Granted: 1975-07-29
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Expires: 1993-12-17
Abstract
Abstract A lamellar valve has a closure plate consisting of elastic tongues with free ends, the tongues being interconnected at the opposite ends by a transverse web. Opposite ends of the web are carried by guide strips clamped to the valve seating plate at points spaced from the transverse web.
Inventors
- 👤 Friedrich Bauer
- 👤 Hans Hrabal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:51
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/10; F04B39/1073; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/784
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
61 words
A lamellar valve for compressors, comprising: a seating plate with throughflow channels; a closure plate supported by flexible guide rods for covering said throughflow channels and including elastic tongues with free ends, said tongues being connected by a transverse joining web; and said flexible guide rods extending from the ends of said joining web and being clamped at locations spaced therefrom.
Claim 2
Dependent Claim
61 words
A lamellar valve for compressors, comprising: a seating plate with throughflow channels; a closure plate supported by flexible guide rods for covering said throughflow channels and including elastic tongues with free ends, said tongues being connected by a transverse joining web; and said flexible guide rods extending from the ends of said joining web and being clamped at locations spaced therefrom.
Claim 3
Dependent Claim
32 words
The lamellar valve of claim 1, further comprising an abutment for limiting the stroke of said joining web to be less than the stroke of said free ends of said elastic tongues.
Claim 4
Dependent Claim
20 words
The lamellar valve of claim 1, wherein said flexible guide rods are in the form of U-shaped double guide rods.
Claim 5
Dependent Claim
55 words
The lamellar valve of claim 3 further comprising guide rod abutments for limiting the stroke of said flexible guide rods to be less than the stroke of said free ends of said elastic tongues, said guide rod abutments being located to engage said U-shaped double guide rods at the junctions between the two arms thereof.
References Cited (Backward Citations)
US2798505A
Cited
US3823735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-28 | 1979-01-27 | 1979-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-28 | 1983-01-27 | 1983-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-28 | 1987-01-27 | 1987-07-29 | $7700.00 | Window Closed / Lapsed |