US3595268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump feed system
Assignee: Individual
•
Filing: 1969-07-07
•
Granted: 1971-07-27
•
Expires: 1989-07-07
Abstract
Abstract This invention relates to a pump feed assembly operable to selectively supply various mixtures through any given pump means for discharge therefrom but specifically beneficial in carwash systems. More particularly, this invention relates to a pump feed assembly having a mixing means interconnected to hot and cold fluid supply lines operable to supply a pump means through the mixing means at all times regardless of any mechanical or electrical failure.
Inventors
- 👤 Gary L Archer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:30
CPC Classifications
B; B60; B60S; B60S3/00; B60S3/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/85986; Y10T137/87571; Y10T137/87587; Y10T137/87595; Y10T137/87619; Y10T137/87627; Y10T137/87635
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
195 words
A pump feed assembly, comprising; a. a pump means, b. a fluid mixing means having first and second fluid inlets and a discharge line connected to said pump means, c. a first fluid supply means connected to said first inlet having a control means therein, d. a second fluid supply means connected to said second inlet above said fluid mixing means having an unrestricted fluid flow channel under gravity to said fluid mixing means regardless of the status of said first fluid supply means, e. said pump feed assembly operable under one set of conditions to supply a mixture of fluid from said first supply means and said second supply means to said pump means, and operable under a second set of conditions to supply fluid from said second supply means and operable under both said first and second set of conditions to supply fluid from said second fluid supply means whereby said pump means is always assured of fluid supply, and f. a detergent means having a supply line connected to said mixing means operable under said one set of conditions to supply detergent to said discharge line through a discharge tube directed downstream.
Claim 2
Dependent Claim
195 words
A pump feed assembly, comprising; a. a pump means, b. a fluid mixing means having first and second fluid inlets and a discharge line connected to said pump means, c. a first fluid supply means connected to said first inlet having a control means therein, d. a second fluid supply means connected to said second inlet above said fluid mixing means having an unrestricted fluid flow channel under gravity to said fluid mixing means regardless of the status of said first fluid supply means, e. said pump feed assembly operable under one set of conditions to supply a mixture of fluid from said first supply means and said second supply means to said pump means, and operable under a second set of conditions to supply fluid from said second supply means and operable under both said first and second set of conditions to supply fluid from said second fluid supply means whereby said pump means is always assured of fluid supply, and f. a detergent means having a supply line connected to said mixing means operable under said one set of conditions to supply detergent to said discharge line through a discharge tube directed downstream.
Claim 3
Dependent Claim
50 words
A pump feed assembly as described in claim 1, wherein; a. said control means including a valve member selectively movable from opened to closed conditions and a pressure regulator valve maintaining constant fluid pressure from said first fluid supply means to assure propEr mixing with said second fluid supply means.
Claim 4
Dependent Claim
91 words
A pump feed assembly as described in claim 1, wherein; a. said first fluid supply means connected to a fluid heater to supply fluid to said mixing means at a temperature of 180* F. + or - 20* F., b. said second fluid supply means to supply fluid at a temperature of 50* + or - 10* F., and c. said discharge line from said mixing means supplying said fluid mixture at a temperature of 120* + or - 20* F. to said pump means under said one set of conditions.
Claim 5
Dependent Claim
90 words
A pump feed assembly as described in claim 1, wherein; a. said control means having a pressure regulator valve to maintain a predetermined fluid pressure into said first fluid inlet means regardless of fluid demand of the overall system, b. said second fluid supply means having a reservoir positioned above said mixing means to supply fluid under gravity to said mixing means, and c. said mixing means having said first inlet of a size substantially smaller than said second inlet and said discharge line to achieve the desired fluid mixing.
Claim 6
Dependent Claim
82 words
A pump feed assembly as described in claim 1, wherein; a. said pump means having a requirement of x gallons per minute, b. said first inlet of a diameter to supply fluid to said mixing means less than x gallons per minute, and c. said second inlet of a size to supply fluid to said mixing means at x gallons per minute less that supplied by said first inlet to assure at least x gallons per minute flow to said pump means.
Claim 7
Dependent Claim
114 words
A pump feed assembly as described in claim 1, wherein; a. said second inlet and said discharge line have the same cross-sectional area, b. said first inlet having a cross-sectional area of approximately 10 percent of the area of said second inlet to achieve the proper mixing function of this invention, c. said first inlet to supply a first fluid at 180* F. and 75 p.s.i. to said mixing means, d. said second inlet to supply a second fluid under gravity at 50* F. to said mixing means, and e. said mixing means operable to discharge a fluid mixture at 120* F. to said pump means from mixing of said first and second fluids.
Claim 8
Dependent Claim
67 words
A pump feed assembly as described in claim 1 wherein; a. said detergent means having said supply line connected to a venturi valve to direct detergent into said discharge line, and a pressure fluid supply line connected to said venturi valve operable under said one set of conditions to supply detergent to said fluid mixing means at a predetermined constant rate to achieve constant car washing results.
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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) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |