US3875967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple-way valve
Assignee: Festo Maschinenfabrik Gottlieb Stoll Firma
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Filing: 1972-06-05
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Granted: 1975-04-08
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Expires: 1992-06-05
Abstract
Abstract A multiple-way valve is formed of a valve body which is freely movably mounted in a space within a valve casing in such a way as to connect alternately various inlet and outlet passages in the wall of the casing. The valve body is normally held in position by pressure in the casing on the face of the valve body opposite the passages. In order to shift the valve body, pressure fluid is introduced below the valve body sufficient to lift it off the surface of the casing, whereupon it can be moved to another position without friction. In a preferred form, the valve body is a disc provided with downwardly directed wings which fit in semi-annular spaces on opposite sides of wings integral with the casing. Fluid pressure is admitted into the chambers between said wings in such quantities as to turn the valve disc in one direction or the other to a limited extent.
Inventors
- 👤 Jan R Defries
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:27
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/072; F16K11/074; F16K11/0743; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622; Y10T137/8663; Y10T137/86638
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
210 words
A multiple-way valve comprising a casing having an internal face with a plurality of passages opening thereinto, a valve body mounted in said casing and capable of movement therein towards and from said face and in a plane parallel to said face, means to supply fluid under pressure to the interior of the casing through said passages at a pressure sufficient to lift the valve body away from such face, and means responsive to pressure fluid entering the casing to move the valve body parallel to such face, said casing having conduits therein for connection to a source of pressure fluid, a load and an exhaust, and said valve body having passage means therein operative in different positions thereof for selectively connecting the load conduit to the pressure fluid and exhaust conduits, said casing having a round opening therein, and a dividing wall fixed to the casing extending across said opening forming two chambers therein, and said valve body being rotatable about the axis of said opening and having at least one body wall dividing each of the chambers into two parts and a closed face, and said means to lift the valve body and to move the valve body comprising means to admit pressure fluid to said chamber parts.
Claim 2
Dependent Claim
210 words
A multiple-way valve comprising a casing having an internal face with a plurality of passages opening thereinto, a valve body mounted in said casing and capable of movement therein towards and from said face and in a plane parallel to said face, means to supply fluid under pressure to the interior of the casing through said passages at a pressure sufficient to lift the valve body away from such face, and means responsive to pressure fluid entering the casing to move the valve body parallel to such face, said casing having conduits therein for connection to a source of pressure fluid, a load and an exhaust, and said valve body having passage means therein operative in different positions thereof for selectively connecting the load conduit to the pressure fluid and exhaust conduits, said casing having a round opening therein, and a dividing wall fixed to the casing extending across said opening forming two chambers therein, and said valve body being rotatable about the axis of said opening and having at least one body wall dividing each of the chambers into two parts and a closed face, and said means to lift the valve body and to move the valve body comprising means to admit pressure fluid to said chamber parts.
Claim 3
Dependent Claim
40 words
A multiple-way valve as claimed in claim 1, in which said valve body moving means includes surfaces on the valve body positioned transversely of the direction of such movement to be acted on by pressure fluid introduced through such passages.
Claim 4
Dependent Claim
36 words
A multiple-way valve as claimed in claim 2, in which said valve body has outwardly open notches in the face opposite said casing space, the walls of the notches transverse to said space constituting said surfaces.
Claim 5
Dependent Claim
19 words
A multiple-way valve as claimed in claim 1, in which said passage means extend circumferentially within the valve body.
Claim 6
Dependent Claim
32 words
A multiple-way valve as claimed in claim 1, in which said valve body has two walls dividing each of said chambers into two parts, and means connecting alternate parts to each other.
Claim 7
Dependent Claim
28 words
A multiple-way valve as claimed in claim 1, in which said casing has a central part with a cylindrical surface and said body wall engages said cylindrical surface.
Claim 8
Dependent Claim
47 words
A multiple-way valve as claimed in claim 1, in which said means for admitting pressure fluid includes openings in the casing opposite the closed face of the valve body, and posts on the valve body extending from the closed face and movable into positions above said openings.
Claim 9
Dependent Claim
49 words
A multiple-way valve as claimed in claim 7, in which said posts limit the turning movement of said valve body by engagement with said dividing wall, and are positioned for one post to overlie one of the holes when the other post is in engagement with the dividing wall.
Claim 10
Dependent Claim
32 words
A multiple-way valve as claimed in claim 8, in which said valve body has two walls dividing each of said chambers into two parts, and means connecting alternate parts to each other.
Claim 11
Dependent Claim
19 words
A multiple-way valve as claimed in claim 9, in which said passage means extend circumferentially within the valve body.
Claim 12
Dependent Claim
28 words
A multiple-way valve as claimed in claim 10, in which said casing has a central post with a cylindrical surface and said body wall engages said cylindrical surface.
Claim 13
Dependent Claim
19 words
A multiple-way valve as claimed in claim 8, in which said passage means extend circumferentially within the valve body.
Claim 14
Dependent Claim
28 words
A multiple-way valve as claimed in claim 12, in which said casing has a central post with a cylindrical surface and said body wall engages said cylindrical surface.
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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) | 1978-04-07 | 1978-10-07 | 1979-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-07 | 1982-10-07 | 1983-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-07 | 1986-10-07 | 1987-04-08 | $7700.00 | Window Closed / Lapsed |