US3630455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spout end apparatus
Assignee: Trane US Inc
•
Filing: 1970-03-31
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Granted: 1971-12-28
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Expires: 1990-03-31
Abstract
Abstract Covers a fluid flow control device or pressure regulator suitable for a spout end structure for a plumbing fixture. The equipment includes two tandem arranged disks which may be inserted into the spout end structure. The first disk, which is made of rubber and is flexible, includes an upstream surface which is flat and a downstream surface which includes a considerable number of flexible projections. The first disk also includes a plurality of substantially identical cylindrical parallel apertures through which the fluid flows. The second or downstream disk, which is a rigid disk made of plastic or metal, includes a greater number of substantially identical but smaller cylindrical parallel apertures. The two disks are positioned closely adjacent to each other so that, in the absence of pressure or under low-pressure conditions, the projections on the first disk barely contact the adjacent surface of the second disk. As the fluid pressure applied to the first disk rises above a predetermined value or varies above that level, the projections on the first disk will be somewhat flattened and driven pursuant to the increased pressure against the second disk. Consequently, the flattening of those projections caused by increased pressure will proportionally reduce the fluid flow passageways so that fluid emission through the second disk and through the spout end will remain substantially unchanged, notwithstanding the change or rapid rate of change of pressure of the applied fluid.
Inventors
- 👤 Richard Grant Parkison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:27
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/30; B05B1/32; B05B1/323; E; E03; E03C; E03C1/00; E03C1/02; E03C1/08; E03C1/086; G; G05; G05D; G05D7/00; G05D7/01; G05D7/0106; G05D7/0113; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7792
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
77 words
A flow control apparatus for a conduit including a first disk having a plurality of apertures and a plurality of flexible projections on one face of said disk, and a second disk having a plurality of apertures, said second disk being positioned adjacent to the first disk so that fluid pressure above a predetermined value applied to the first disk will distort its projections and restrict the flow of fluid through the apertures of the second disk.
Claim 2
Dependent Claim
77 words
A flow control apparatus for a conduit including a first disk having a plurality of apertures and a plurality of flexible projections on one face of said disk, and a second disk having a plurality of apertures, said second disk being positioned adjacent to the first disk so that fluid pressure above a predetermined value applied to the first disk will distort its projections and restrict the flow of fluid through the apertures of the second disk.
Claim 3
Dependent Claim
16 words
A flow control apparatus according to claim 1 in which the projections are made of rubber.
Claim 4
Dependent Claim
17 words
A flow control apparatus according to claim 1 in which the first disk is made of rubber.
Claim 5
Dependent Claim
26 words
A flow control apparatus according to claim 1 in which the first disk is made of rubber and the second disk is made of inflexible material.
Claim 6
Dependent Claim
32 words
A flow control apparatus according to claim 4 in which the apertures of the second disk are smaller in cross section and greater in number than the apertures of the first disk.
Claim 7
Dependent Claim
16 words
A flow control apparatus according to claim 1 including a screen upstream of the first disk.
Claim 8
Dependent Claim
73 words
Apparatus for controlling the flow through a spout which receives fluid under changing pressure comprising a pair of contiguous disks each having a plurality of apertures, one of the disks bearing a plurality of flexible projections which abut the adjacent face of the other disk and which are changed in shape in accordance with the pressure magnitude to correspondingly control the effective area of fluid flow through the apertures of said other disk.
Claim 9
Dependent Claim
73 words
Apparatus for controlling the flow through a spout which receives fluid under changing pressure comprising a pair of contiguous disks each having a plurality of apertures, one of the disks bearing a plurality of flexible projections which abut the adjacent face of the other disk and which are changed in shape in accordance with the pressure magnitude to correspondingly control the effective area of fluid flow through the apertures of said other disk.
Claim 10
Dependent Claim
27 words
Apparatus according to claim 7 in which the disk bearing the projections is made of a rubberlike material and the other disk is made of inflexible material.
Claim 11
Dependent Claim
37 words
Apparatus according to claim 8 in which each of the apertures of the disk made of inflexible material are smaller in cross-sectional area and the apertures are greater in number than the apertures of the flexible disk.
Claim 12
Dependent Claim
12 words
Apparatus according to claim 9 including a screen upstream of the disks.
Claim 13
Dependent Claim
111 words
Flow control apparatus for a spout end, comprising two disks positioned closely adjacent to each other, the first disk being made of a flexible material and having a plurality of apertures and a plurality of projections on its downstream surface, the second disk being made of a rigid material and having a plurality of smaller apertures, the upstream surface of the second disk normally having superficial contact with the downstream projections of the first disk, whereby changes in pressure of the fluid flowing against the first disk will effectively reduce the areas of transmission of the fluid through the second disk to maintain a substantially constant flow through the second disk.
Claim 14
Dependent Claim
111 words
Flow control apparatus for a spout end, comprising two disks positioned closely adjacent to each other, the first disk being made of a flexible material and having a plurality of apertures and a plurality of projections on its downstream surface, the second disk being made of a rigid material and having a plurality of smaller apertures, the upstream surface of the second disk normally having superficial contact with the downstream projections of the first disk, whereby changes in pressure of the fluid flowing against the first disk will effectively reduce the areas of transmission of the fluid through the second disk to maintain a substantially constant flow through the second disk.
Claim 15
Dependent Claim
27 words
Flow control apparatus for a spout end according to claim 11, in which the projections on the downstream end of the first disk are semispherical in shape.
Claim 16
Dependent Claim
26 words
Flow control apparatus for a spout end according to claim 11, in which each aperture of the first disk is positioned within a group of projections.
Claim 17
Dependent Claim
37 words
Flow control apparatus for a spout end according to claim 11, including means for maintaining the two disks adjacent and substantially parallel to each other when the pressure of the applied fluid is below a predetermined level.
Claim 18
Dependent Claim
142 words
A spout end comprising a body having a nozzle, a rigid disk within the nozzle and having a plurality of substantially identical apertures which are parallel to the flow path through the nozzle, a flexible disk having a plurality of apertures which are substantially parallel to each other and larger than the apertures of the rigid disk and substantially parallel to the fluid path through the nozzle and also having a plurality of projections which are closely adjacent to the upstream surface of the rigid disk, whereby varying fluid pressure above a predetermined level applied to the flexible disk will drive the flexible disk against the rigid disk so that the projections of the flexible disk will be distorted and effectively reduce the flow paths through the rigid disk so as to maintain a substantially constant flow of fluid through the nozzle.
Claim 19
Dependent Claim
142 words
A spout end comprising a body having a nozzle, a rigid disk within the nozzle and having a plurality of substantially identical apertures which are parallel to the flow path through the nozzle, a flexible disk having a plurality of apertures which are substantially parallel to each other and larger than the apertures of the rigid disk and substantially parallel to the fluid path through the nozzle and also having a plurality of projections which are closely adjacent to the upstream surface of the rigid disk, whereby varying fluid pressure above a predetermined level applied to the flexible disk will drive the flexible disk against the rigid disk so that the projections of the flexible disk will be distorted and effectively reduce the flow paths through the rigid disk so as to maintain a substantially constant flow of fluid through the nozzle.
Claim 20
Dependent Claim
30 words
A spout end according to claim 15, including also a screen spaced from and upstream of the flexible disk and maintained at a substantially constant distance from the flexible disk.
Claim 21
Dependent Claim
116 words
A pressure regulator for a spout end comprising a hardened rigid disk having a plurality of parallel substantially identical apertures through which fluid will be continuously discharged, and a member having a plurality of flexible substantially identical projections which abut one of the faces of the rigid disk and which are continually responsive to changes in the fluid pressure exceeding a predetermined value applied to the input of the spout end to substantially change the total of the effective areas of the parallel apertures of the rigid disk substantially in accordance with the amounts of the pressure changes to maintain a substantially constant volume of fluid flow through the spout end under the varying fluid pressures.
Claim 22
Dependent Claim
116 words
A pressure regulator for a spout end comprising a hardened rigid disk having a plurality of parallel substantially identical apertures through which fluid will be continuously discharged, and a member having a plurality of flexible substantially identical projections which abut one of the faces of the rigid disk and which are continually responsive to changes in the fluid pressure exceeding a predetermined value applied to the input of the spout end to substantially change the total of the effective areas of the parallel apertures of the rigid disk substantially in accordance with the amounts of the pressure changes to maintain a substantially constant volume of fluid flow through the spout end under the varying fluid pressures.
Claim 23
Dependent Claim
155 words
A pressure regulator for a spout end comprising a hardened rigid disk having a plurality of parallel substantially identical apertures through which fluid will be continuously discharged, and means continually responsive to changes in the pressure of the fluid applied to the spout end to substantially change the total of the effective areas of the parallel apertures of the rigid disk substantially in accordance with the amounts of the pressure changes to maintain a substantially constant volume of fluid flow through the spout end under varying fluid pressures, said responsive means including a diaphragm having a plurality of flexible projections contiguous to the upstream surface of the rigid disk so that the diaphragm will be pressed against the rigid disk as the incoming fluid pressure rises above a predetermined level to deflect the projections and effectively reduce the area of the fluid passageways to maintain a constant volume of fluid flow through the spout end.
Claim 24
Dependent Claim
155 words
A pressure regulator for a spout end comprising a hardened rigid disk having a plurality of parallel substantially identical apertures through which fluid will be continuously discharged, and means continually responsive to changes in the pressure of the fluid applied to the spout end to substantially change the total of the effective areas of the parallel apertures of the rigid disk substantially in accordance with the amounts of the pressure changes to maintain a substantially constant volume of fluid flow through the spout end under varying fluid pressures, said responsive means including a diaphragm having a plurality of flexible projections contiguous to the upstream surface of the rigid disk so that the diaphragm will be pressed against the rigid disk as the incoming fluid pressure rises above a predetermined level to deflect the projections and effectively reduce the area of the fluid passageways to maintain a constant volume of fluid flow through the spout end.
Claim 25
Dependent Claim
19 words
A pressure regulator for a spout end accoRding to claim 18 including a screen upstream of the rigid disk.
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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) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |