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US3201049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Proportioning eductor
Assignee: HAYES SPRAY GUN CO
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Filing: 1963-03-07
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Granted: 1965-08-17
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Expires: 1983-03-07
Abstract
No abstract record available.
Inventors
- 👤 Stanley A Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:10
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/24; B05B7/2402; B05B7/244; B05B7/2443; A; A01; A01C; A01C23/00; A01C23/04; A01C23/042; B05B7/02; B05B7/12; G; G05; G05D; G05D11/00; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87571; Y10T137/87587; Y10T137/87595; Y10T137/87619; Y10T137/87627
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
201 words
A PROPORTIONING GARDEN HOSE SPRAYER FOR EDUCTING A SECOND LIQUID INTO A CARRIER STREAM OF A FIRST LIQUID COMPRISING: (A) A BODY MEMBER DEFINING A LIQUID PASSAGEWAY THERETHROUGH BETWEEN AN INLET AND AN OUTLET, (B) AN EDUCTOR DISPOSED IN THE PASSAGEWAY AND HAVING AN INLET PASSAGE, AN ASPIRATION CHAMBER AND A CYLINDRICAL DIFFUSION PASSAGE CONNECTED IN SERIES RELATIONSHIP, AND (C) A CONDUIT CONNECTING THE ASPIRATION CHAMBER TO A SOURCE OF THE SECOND LIQUID, (D) THE INLET PASSAGE HAVING A NON-CIRCULAR CROSS SECTIONAL CONFIGURATION FOR PROVIDING A HIGHLY TURBULENT AND HIGH VELOCITY DISCHARGE STREAM HAVING A VELOCITY SUBSTANTIALLY IN THE DIRECTION OF THE FLOW TO PROVIDE A SOLID INTEGRAL DISCHARGE STREAM, (E) THE ASPIRATION CHAMBER BEING CONSTRUCTED TO PERMIT THE BOUNDARY OF THE DISCHARGE STREAM FROM THE INLET PASSAGE TO DIRECTLY CONTACT THE SECOND LIQUID TO PERMIT ENTRAINMENT OF THE SECOND LIQUID INTO THE FIRST LIQUID, (F) THE DIFFUSION PASSAGE BEING CONCENTRICALLY ALIGNED WITH THE INLET PASSAGE AND HAVING A LARGER CROSS SECTIONAL AREA THAN THE INLET PASSAGE AND A LENGTH AT LEAST EQUAL TO ITS DIAMETER FOR CONFINING THE DISCHARGE STREAM FROM THE INLET PASSAGE TO ALLOW THE TRANSFER OF ENERGY FROM THE HIGH VELOCITY DISCHARGE STREAM TO THE SECOND LIQUID.
Claim 2
Dependent Claim
201 words
A PROPORTIONING GARDEN HOSE SPRAYER FOR EDUCTING A SECOND LIQUID INTO A CARRIER STREAM OF A FIRST LIQUID COMPRISING: (A) A BODY MEMBER DEFINING A LIQUID PASSAGEWAY THERETHROUGH BETWEEN AN INLET AND AN OUTLET, (B) AN EDUCTOR DISPOSED IN THE PASSAGEWAY AND HAVING AN INLET PASSAGE, AN ASPIRATION CHAMBER AND A CYLINDRICAL DIFFUSION PASSAGE CONNECTED IN SERIES RELATIONSHIP, AND (C) A CONDUIT CONNECTING THE ASPIRATION CHAMBER TO A SOURCE OF THE SECOND LIQUID, (D) THE INLET PASSAGE HAVING A NON-CIRCULAR CROSS SECTIONAL CONFIGURATION FOR PROVIDING A HIGHLY TURBULENT AND HIGH VELOCITY DISCHARGE STREAM HAVING A VELOCITY SUBSTANTIALLY IN THE DIRECTION OF THE FLOW TO PROVIDE A SOLID INTEGRAL DISCHARGE STREAM, (E) THE ASPIRATION CHAMBER BEING CONSTRUCTED TO PERMIT THE BOUNDARY OF THE DISCHARGE STREAM FROM THE INLET PASSAGE TO DIRECTLY CONTACT THE SECOND LIQUID TO PERMIT ENTRAINMENT OF THE SECOND LIQUID INTO THE FIRST LIQUID, (F) THE DIFFUSION PASSAGE BEING CONCENTRICALLY ALIGNED WITH THE INLET PASSAGE AND HAVING A LARGER CROSS SECTIONAL AREA THAN THE INLET PASSAGE AND A LENGTH AT LEAST EQUAL TO ITS DIAMETER FOR CONFINING THE DISCHARGE STREAM FROM THE INLET PASSAGE TO ALLOW THE TRANSFER OF ENERGY FROM THE HIGH VELOCITY DISCHARGE STREAM TO THE SECOND LIQUID.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |