US4290455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reed valve
Assignee: Honda Motor Co Ltd
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Filing: 1979-06-18
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Granted: 1981-09-22
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Expires: 1999-06-18
Abstract
Abstract A reed valve in the form of a plate fixed at one end and bendable into and out of contact with a valve seat is operated by differential pressures and acts as a check-valve. The reed valve has cavities in the surface thereof with unitary strengthening frame members separating these cavities. Specific patterns of cavities and frame members are employed to achieve the desired performance of the valve.
Inventors
- 👤 Shoichi Honda
- 👤 Nobuyoshi Watanabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:30
CPC Classifications
F; F02; F02B; F02B33/00; F02B33/02; F02B33/28; F02B33/30; F01; F01L; F01L3/00; F01L3/20; F01L3/205; F16; F16K; F16K15/00; F16K15/14; F16K15/1402; F16K15/16; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/7839; Y10T137/784; Y10T137/7879; Y10T137/7888; Y10T137/7891
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
64 words
A reed valve comprising a reed element having a first surface, said first surface including cavities therein, said cavities being discontinuous, one from another, and structurally independent, and a planar peripheral boundary and frame members extending between said discontinuous cavities, said boundary and said frame members having surface continuity there among, said cavities extending into said element to define membranes between said frame members.
Claim 2
Dependent Claim
64 words
A reed valve comprising a reed element having a first surface, said first surface including cavities therein, said cavities being discontinuous, one from another, and structurally independent, and a planar peripheral boundary and frame members extending between said discontinuous cavities, said boundary and said frame members having surface continuity there among, said cavities extending into said element to define membranes between said frame members.
Claim 3
Dependent Claim
17 words
The reed valve of claim 1 wherein said cavities form a pattern of symmetrical figures in plan.
Claim 4
Dependent Claim
14 words
The reed valve of claim 2 wherein said cavities are all of equal depth.
Claim 5
Dependent Claim
29 words
The reed valve of claim 1 wherein the natural frequency of the reed element is substantially higher than the normal range of frequency of operation of said reed valve.
Claim 6
Dependent Claim
28 words
The reed valve of claim 1 or 4 wherein the natural frequency of the bottom of each cavity is higher than the natural frequency of said reed element.
Claim 7
Dependent Claim
80 words
A reed valve comprising a reed element having a first surface, said first surface including cavities therein, said cavities being discontinuous, one from another, and structurally independent, a planar peripheral boundary and frame members extending between said discontinuous cavities, said boundary and said frame members having surface continuity there among, said cavities forming a pattern of symmetrical figures in plan wherein said symmetrical figures are in nested arrangement in said pattern and said pattern terminates at said planar peripheral boundary.
Claim 8
Dependent Claim
80 words
A reed valve comprising a reed element having a first surface, said first surface including cavities therein, said cavities being discontinuous, one from another, and structurally independent, a planar peripheral boundary and frame members extending between said discontinuous cavities, said boundary and said frame members having surface continuity there among, said cavities forming a pattern of symmetrical figures in plan wherein said symmetrical figures are in nested arrangement in said pattern and said pattern terminates at said planar peripheral boundary.
Claim 9
Dependent Claim
28 words
The reed valve of claim 2, 3, or 6 wherein said symmetrical figures are polygons having two included angles where said pattern terminates at said planar peripheral boundary.
Claim 10
Dependent Claim
66 words
The reed valve of claim 1, 2, 3, or 6 wherein said reed elements include a base holding said reed element, and the sum width of said frame members, as measured in a direction parallel to said base between adjacent cavities in any row thereof, being substantially constant from said planar peripheral boundary nearest said base to the most distal portion of said planar peripheral boundary.
Claim 11
Dependent Claim
19 words
The reed valve of claim 8 wherein said frame members are of different widths to maintain said sum width.
Claim 12
Dependent Claim
80 words
A reed valve comprising a reed element having a first surface, said first surface including cavities therein, a planar peripheral boundary and frame members extending between said cavities such that said frame member and said boundaries define the extent of said cavities, and a base for holding said reed element, the sum width of said frame members between adjacent cavities in any row of cavities, as measured in a direction parallel to said base, being substantially constant between said boundries.
Claim 13
Dependent Claim
80 words
A reed valve comprising a reed element having a first surface, said first surface including cavities therein, a planar peripheral boundary and frame members extending between said cavities such that said frame member and said boundaries define the extent of said cavities, and a base for holding said reed element, the sum width of said frame members between adjacent cavities in any row of cavities, as measured in a direction parallel to said base, being substantially constant between said boundries.
Claim 14
Dependent Claim
41 words
The reed valve of claim 10 wherein said cavities are polygons in plan and arranged in a nested pattern within said peripheral boundary, said polygons having obtuse included angles except for cavities in said nested pattern truncated by said peripheral boundary.
Claim 15
Dependent Claim
90 words
The reed valve of claim 10 wherein said peripheral boundary includes parallel ends, a first one of said ends being juxtaposed with said base and a second one of said ends being most distal from said base, and parallel sides extending between said ends, said ends and said sides defining at least one substantially rectangular valve body surface including said cavities and said frame members, the width of said rectangular valve body surface between said sides being equal to the width of two said cavities plus the included frame members.
Claim 16
Dependent Claim
30 words
The reed valve of claim 12 wherein said cavities are nested symmetrically in said rectangular valve body surface with at least one said cavity being centrally positioned between said sides.
Claim 17
Dependent Claim
50 words
The reed valve of claim 1, 2, 3, 6, 10, 11, 12 or 13 wherein said reed element includes a second surface on the opposite side of said reed element from said first surface, said second surface including cavities and frame members in an identical pattern to said first surface.
Claim 18
Dependent Claim
14 words
The reed valve of claim 14 wherein said cavities are all of equal depth.
Claim 19
Dependent Claim
65 words
A reed valve comprising a reed element having first and second surfaces, said surfaces including cavities therein, planar peripheral boundaries and frame members extending between said cavities such that said frame members and said boundaries define the extent of said cavities to define patterns of symmetrical figures in nested arrangement, said patterns on said sides being identical, and a base for holding said reed element.
Claim 20
Dependent Claim
65 words
A reed valve comprising a reed element having first and second surfaces, said surfaces including cavities therein, planar peripheral boundaries and frame members extending between said cavities such that said frame members and said boundaries define the extent of said cavities to define patterns of symmetrical figures in nested arrangement, said patterns on said sides being identical, and a base for holding said reed element.
Claim 21
Dependent Claim
37 words
The reed valve of claim 16 wherein the pattern on said second surface is offset in a direction perpendicular to said base from the pattern on said first surface by one half the pitch of said patterns.
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) | 1984-09-21 | 1985-03-23 | 1985-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-09-21 | 1989-03-23 | 1989-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-09-21 | 1993-03-23 | 1993-09-22 | $7700.00 | Window Closed / Lapsed |