US3558011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow control device with restricted terminal delivery
Assignee: Individual
•
Filing: 1968-08-21
•
Granted: 1971-01-26
•
Expires: 1988-08-21
Abstract
Abstract A control device for altering the delivery of fluid from a reservoir through a fluid dispenser in response to a generated signal decrease in fluid flow prior to delivery termination of a predetermined quantity of fluid to avoid motor overrun and computer inaccuracy. The device comprises a pressure sensitive capillary tube connected in parallel with the main solenoid operated valve passing fluid from the reservoir to the fluid dispenser.
Inventors
- 👤 James A Tracy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:52
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/08
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
92 words
In an apparatus for dispensing predetermined quantities of fluid from a reservoir, a conduit including a flow control device comprising: a valve providing an opening through which the major portion of a predetermined quantity of fluid may flow, operating means for opening and closing said valve, means controlling said operating means for the dispensing of said portion, and a static flow restricting bypass around said valve for passing fluid therethrough at a restricted rate on the closure of said valve by said operating means at the termination of delivery of said portion.
Claim 2
Dependent Claim
92 words
In an apparatus for dispensing predetermined quantities of fluid from a reservoir, a conduit including a flow control device comprising: a valve providing an opening through which the major portion of a predetermined quantity of fluid may flow, operating means for opening and closing said valve, means controlling said operating means for the dispensing of said portion, and a static flow restricting bypass around said valve for passing fluid therethrough at a restricted rate on the closure of said valve by said operating means at the termination of delivery of said portion.
Claim 3
Dependent Claim
19 words
An apparatus as claimed in claim 1, said bypass including a tube connected in parallel with said valve means.
Claim 4
Dependent Claim
14 words
An apparatus as claimed in claim 2, said tube forming at least one convolution.
Claim 5
Dependent Claim
37 words
An apparatus as claimed in claim 3, said tube having an internal diameter of from one-sixteenth to three-sixteenths of an inch so that fluid flow through said tube is substantially less than fluid flow through said valve.
Claim 6
Independent Claim
120 words
An apparatus for dispensing predetermined quantities of fluid from a reservoir, the apparatus having a conduit including a delivery nozzle, a pump and a solenoid-operated valve providing an opening through which the major portion of said predetermined quantity of fluid may flow from said reservoir to said nozzle, and a computer device for automatically controlling the dispensing of said predetermined quantity of fluid, the improvement comprising means for altering the rate of delivery of said flow in response to a signal generated by said computer device when the dispensing of said portion is terminated, said means comprising a static bypass around said valve, having a restrictive passage which passes fluid therethrough when the solenoid-operated valve is closed by said signal.
Claim 7
Independent Claim
120 words
An apparatus for dispensing predetermined quantities of fluid from a reservoir, the apparatus having a conduit including a delivery nozzle, a pump and a solenoid-operated valve providing an opening through which the major portion of said predetermined quantity of fluid may flow from said reservoir to said nozzle, and a computer device for automatically controlling the dispensing of said predetermined quantity of fluid, the improvement comprising means for altering the rate of delivery of said flow in response to a signal generated by said computer device when the dispensing of said portion is terminated, said means comprising a static bypass around said valve, having a restrictive passage which passes fluid therethrough when the solenoid-operated valve is closed by said signal.
Claim 8
Dependent Claim
19 words
The improvement as claimed in claim 5, said bypass including a tube connected in parallel with said valve means.
Claim 9
Dependent Claim
14 words
The improvement as claimed in claim 6, said tube forming at least one convolution.
Claim 10
Dependent Claim
38 words
The improvement as claimed in claim 7, said tube having an internal diameter of from one-sixteenth to three-sixteenths of an inch so that fluid flow from said tube is substantially less than fluid flow through said solenoid-operated valve.
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |