Patent US3933339A successfully refreshed from Google Patents.
US3933339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water faucet with slider
Assignee: Mahle Behr GmbH and Co KG
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Filing: 1975-05-20
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Granted: 1976-01-20
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Expires: 1995-05-20
Abstract
Abstract A water valve comprises a housing in which a spring biased slider moves between a sealing wall and a sliding wall normal to the liquid flow direction, the spring contacting the sliding wall of the housing.
Inventors
- 👤 Kurt Dietzsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:00
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/126; F16K31/1262; F16K3/00; F16K3/02; F16K3/0254; F16K3/16
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
207 words
In a valve comprising a housing and a slider movable within said housing transversely to the direction of liquid flow through the valve, the improvement comprising: said housing having a cooperative sealing surface on the interior thereof for said slider, a spring sliding surface opposite said cooperative sliding surface, and a sealed insert orifice at one end thereof; an actuation rod linked to said slider by a universal or ball joint, said actuation rod extending into said housing through said sealed insert orifice; said slider having a rectangular shape, a first face containing a toroidal sealing surface in slidable cooperation with said cooperative sealing surface, and a second face having a spring retaining surface, said slider being translational against said cooperative sealing surface in a direction normal to the direction of liquid flow; and spring means for loading said toroidal slider sealing surface against said cooperative sealing surface at the center of mass of said slider sealing surface, said spring means comprising a spring retained against rotation on said spring retaining surface and having a center portion extending across the center of said slider and four spring legs extending outwardly from said center portion and terminating in sliding portions in sliding relationship with said spring sliding surface.
Claim 2
Dependent Claim
207 words
In a valve comprising a housing and a slider movable within said housing transversely to the direction of liquid flow through the valve, the improvement comprising: said housing having a cooperative sealing surface on the interior thereof for said slider, a spring sliding surface opposite said cooperative sliding surface, and a sealed insert orifice at one end thereof; an actuation rod linked to said slider by a universal or ball joint, said actuation rod extending into said housing through said sealed insert orifice; said slider having a rectangular shape, a first face containing a toroidal sealing surface in slidable cooperation with said cooperative sealing surface, and a second face having a spring retaining surface, said slider being translational against said cooperative sealing surface in a direction normal to the direction of liquid flow; and spring means for loading said toroidal slider sealing surface against said cooperative sealing surface at the center of mass of said slider sealing surface, said spring means comprising a spring retained against rotation on said spring retaining surface and having a center portion extending across the center of said slider and four spring legs extending outwardly from said center portion and terminating in sliding portions in sliding relationship with said spring sliding surface.
Claim 3
Dependent Claim
19 words
A valve as set forth in claim 1, wherein said toroidal sealing surface is an approximately oval-shaped annular toroid.
Claim 4
Dependent Claim
67 words
A valve in accordance with claim 1, wherein said spring is provided with two apertures and said slider is provided with two complementary studs extending through said two apertures in said spring, the axes of said studs being in the direction of liquid flow through the valve, said spring seating on said studs while permitting relative movement between said spring and said slider in the flow direction.
Claim 5
Dependent Claim
44 words
A valve in accordance with claim 1, wherein a plane passing through said actuation rod and said universal or ball joint and perpendicular to the direction of liquid flow through the valve lies downstream from a plane passing through the center of said slider.
Claim 6
Dependent Claim
41 words
A valve in accordance with claim 1, wherein said housing including said cooperative sealing surface is formed of a temperature resistant and thermally dimensionally stable plastic, and said slider is formed of a different plastic which is elastically deformable when heated.
Claim 7
Dependent Claim
25 words
A valve in accordance with claim 1, wherein said housing is provided with means for mounting a partial-pressure setting box, said means comprising a flange.
Claim 8
Dependent Claim
27 words
A valve in accordance with claim 1 comprising means for actuation utilizing a bowden cable or by modulated partial pressure, said means comprising a wedge-shaped regulating slit.
Claim 9
Dependent Claim
20 words
A valve in accordance with claim 7, wherein said regulating slit is located at the fastening edge of said slider.
Claim 10
Dependent Claim
54 words
A valve in accordance with claim 8, wherein said regulating slit is located at the fastening edge at a position approximately one-fourth the width of said slider from one of the slider edges, said regulating slit being essentially parallel to said longitudinal edge of said slider and about one-third the length of said slider.
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) | 1979-01-19 | 1979-07-21 | 1980-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-19 | 1983-07-21 | 1984-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-19 | 1987-07-21 | 1988-01-20 | $7700.00 | Window Closed / Lapsed |