US3633870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water regulating valve
Assignee: Grohe Water Technology AG and Co KG
•
Filing: 1969-10-15
•
Granted: 1972-01-11
•
Expires: 1989-10-15
Abstract
Abstract An upper valve portion arrangement used for regulating water flow, in which a threaded valve rod is located within the body of the valve and maintains two chambers spaced from each other. The chambers communicate through a duct in the form of a notch or bore in the threaded portion of the valve rod. Two O-rings are provided with one O-ring within the valve body about a cylindrically shaped guide portion of a tapered sleeve located within the interior of the valve body. This O-ring serves to seal off the threaded portion of the valve rod, from the water passing through the valve.
Inventors
- 👤 Friedrich Bayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:42
CPC Classifications
F; F16; F16K; F16K41/00; F16K41/02; F16K41/04; F16K31/00; F16K31/44; F16K31/50; F16K31/508; F16K41/043
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
263 words
In a valve arrangement for regulating fluid flow, a combination comprising a valve housing body formed with an axially extending stepped cylindrical bore having an upper portion of a diameter smaller than the lower portion thereof; valve rod means mounted in said bore turnable about the axis thereof and immovable in axial direction, said valve rod means having an upper portion of a diameter smaller than that of said upper bore portion and a lower portion provided with an outer screw thread; sleeve means axially slidably arranged in said bore and having a lower closed end and an inner screw thread threadingly engaged with said outer screw thread of said valve rod means, said sleeve means having an upper cylindrical guide portion guided in said upper bore portion, a lower substantially cylindrical portion of a greater diameter than said upper cylindrical portion of said sleeve means and located in said lower bore portion, and an upwardly tapering intermediate portion integral with said upper and lower portions, said upper portion of said valve rod means and said valve housing body defining a first chamber above said sleeve means and the latter defining between its closed end and the lower portion of said valve rod means a second chamber, each of which being adapted to be filled with lubricating means; passage means providing communication between said chambers; a first O-ring in said upper bore portion about said upper portion of said valve rod means; and a second Oring in said upper bore portion and sealingly engaging said upper cylindrical guide portion of said sleeve means.
Claim 2
Dependent Claim
263 words
In a valve arrangement for regulating fluid flow, a combination comprising a valve housing body formed with an axially extending stepped cylindrical bore having an upper portion of a diameter smaller than the lower portion thereof; valve rod means mounted in said bore turnable about the axis thereof and immovable in axial direction, said valve rod means having an upper portion of a diameter smaller than that of said upper bore portion and a lower portion provided with an outer screw thread; sleeve means axially slidably arranged in said bore and having a lower closed end and an inner screw thread threadingly engaged with said outer screw thread of said valve rod means, said sleeve means having an upper cylindrical guide portion guided in said upper bore portion, a lower substantially cylindrical portion of a greater diameter than said upper cylindrical portion of said sleeve means and located in said lower bore portion, and an upwardly tapering intermediate portion integral with said upper and lower portions, said upper portion of said valve rod means and said valve housing body defining a first chamber above said sleeve means and the latter defining between its closed end and the lower portion of said valve rod means a second chamber, each of which being adapted to be filled with lubricating means; passage means providing communication between said chambers; a first O-ring in said upper bore portion about said upper portion of said valve rod means; and a second Oring in said upper bore portion and sealingly engaging said upper cylindrical guide portion of said sleeve means.
Claim 3
Dependent Claim
25 words
A combination as defined in claim 1, wherein said passage means comprises an axially extending notch in said threaded portion of said guide rod means.
Claim 4
Dependent Claim
42 words
A combination as defined in claim 1, wherein said upper portion of said guide rod means is provided with a pair of axially spaced radially extending shoulders engaging the inner surface of said bore, said first O-ring being located between said shoulders.
Claim 5
Dependent Claim
36 words
A combination as defined in claim 3, wherein the portion of said bore engaged by said shoulders and the portion thereof engaged by said upper cylindrical guide portion of said sleeve means have the same diameter.
Claim 6
Dependent Claim
50 words
A combination as defined in claim 1, and including a sealing disc mounted on the lower closed end of said sleeve means, and a valve seat axially aligned with said disc, so that the disc may engage or be spaced from said seat during axial movement of said sleeve means.
References Cited (Backward Citations)
GB189903563A
Cited
US2139280A
Cited
US2224447A
Cited
FR1132623A
Cited
DE1077928B
Cited
US3223110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |