US5114050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Service station forecourt installations
Assignee: Vaccar Systems Ltd Pty
•
Filing: 1991-01-23
•
Granted: 1992-05-19
•
Expires: 2011-01-23
Abstract
Abstract A garage forecourt installation is disclosed in which the fuel dispensing pump is linked to a vacuum cleaning device so that as the fuel pump is switched on suction is made available at a suction cleaning nozzle. The provision of suction ceases on the pump being switched off, or a predetermined time thereafter. The fuel pump can be linked (by a cable) to an electric motor of the vacuum cleaning device so that they are activated simultaneously. A time delay device can be incorporated so that the motor of the vacuum cleaner runs on after the fuel dispensing pump stops.
Inventors
- 👤 Peter Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:43
CPC Classifications
B; B60; B60S; B60S5/00; B60S3/00; B60S3/008; B60S5/02
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
72 words
A service station forecourt installation which includes electrically driven dispensing means for delivering fuel into the tank of a motor vehicle, a vacuum cleaner nozzle, means for applying a sub-atmospheric pressure to said nozzle, and a connection between the electrically driven dispensing means and said means for applying a sub-atmospheric pressure to said nozzle whereby suction is available at said nozzle only in conjunction with delivery of fuel by said dispensing means.
Claim 2
Dependent Claim
72 words
A service station forecourt installation which includes electrically driven dispensing means for delivering fuel into the tank of a motor vehicle, a vacuum cleaner nozzle, means for applying a sub-atmospheric pressure to said nozzle, and a connection between the electrically driven dispensing means and said means for applying a sub-atmospheric pressure to said nozzle whereby suction is available at said nozzle only in conjunction with delivery of fuel by said dispensing means.
Claim 3
Dependent Claim
87 words
A service station forecourt installation which includes an electrically driven fuel dispensing pump, an electrically driven vacuum pump having a suction inlet, a vacuum cleaner nozzle, said nozzle being connected to said vacuum inlet of said vacuum pump, and means connecting said electrically driven fuel dispensing pump and said electrically driven vacuum pump so that the latter is switched on when the fuel dispensing pump is switched on, suction being applied to said nozzle for at least the time period that the fuel dispensing pump is running.
Claim 4
Dependent Claim
87 words
A service station forecourt installation which includes an electrically driven fuel dispensing pump, an electrically driven vacuum pump having a suction inlet, a vacuum cleaner nozzle, said nozzle being connected to said vacuum inlet of said vacuum pump, and means connecting said electrically driven fuel dispensing pump and said electrically driven vacuum pump so that the latter is switched on when the fuel dispensing pump is switched on, suction being applied to said nozzle for at least the time period that the fuel dispensing pump is running.
Claim 5
Dependent Claim
93 words
A service station forecourt installation which includes an electrically driven fuel dispensing pump, a vessel, an evacuating pump for maintaining said vessel at a sub-atmospheric pressure, valve means, a vacuum cleaner nozzle connected by way of said valve means to said tank, and a connection between the fuel dispensing pump and said valve means to open the valve means and connect said nozzle to said vessel as the fuel dispensing pump is switch on, suction being applied to said nozzle for at least the time period that the fuel dispensing pump is running.
Claim 6
Dependent Claim
93 words
A service station forecourt installation which includes an electrically driven fuel dispensing pump, a vessel, an evacuating pump for maintaining said vessel at a sub-atmospheric pressure, valve means, a vacuum cleaner nozzle connected by way of said valve means to said tank, and a connection between the fuel dispensing pump and said valve means to open the valve means and connect said nozzle to said vessel as the fuel dispensing pump is switch on, suction being applied to said nozzle for at least the time period that the fuel dispensing pump is running.
Claim 7
Dependent Claim
25 words
A forecourt installation according to claim 1, in which said nozzle is on the end of a hose which is wound onto an overhead reel.
Claim 8
Dependent Claim
32 words
A forecourt installation according to claim 1, in which said nozzle is on the end of a hose which is wound onto a reel mounted on a pump island of the forecourt.
Claim 9
Dependent Claim
32 words
A forecourt installation according to claim 1, in which said nozzle is on the end of a hose which is wound onto a reel mounted in a trench provided in the forecourt.
Claim 10
Dependent Claim
44 words
A forecourt installation according to claim 1, in which said nozzle is at the end of a flexible hose which is pulled to a retracted inoperative position by a spring, the spring being stretched as the nozzle is pulled out to its operative position.
Claim 11
Dependent Claim
28 words
A forecourt installation according to claim 1 and including manually operable means for preventing suction being applied to said nozzle as said fuel dispensing pump is switched on.
Claim 12
Dependent Claim
30 words
A forecourt installation according to claim 1, wherein suction is available at said nozzle during the period that fuel is being delivered and also for a predetermined time period thereafter.
Claim 13
Dependent Claim
36 words
A forecourt installation according to claim 2, in which there is suction at said nozzle for the time period that the fuel dispensing pump is running plus a predetermined time interval after the fuel pump stops.
Claim 14
Dependent Claim
36 words
A forecourt installation according to claim 3, in which there is suction at said nozzle for the time period that the fuel dispensing pump is running plus a predetermined time interval after the fuel pump stops.
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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) | 1995-05-19 | 1995-11-18 | 1996-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-05-19 | 1999-11-18 | 2000-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-05-19 | 2003-11-18 | 2004-05-19 | $7700.00 | Window Closed / Lapsed |