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| Number | Title | Issue Date |
| 6698471 | Fuel dispensing nozzle having a lever trigger biased by a torsion wire coil spring A fuel dispensing nozzle includes a nozzle body defining a fuel supply passage in which a main control valve is operated by a hand actuated lever pivotally connected to an automatic shut-off mechanism. A protective guard member encloses the lever, and a t... | 03/02/2004 |
| 6684921 | Liquid supply nozzle A liquid supply nozzle having automatic shut-down and alarming function will stop feeding a liquid when a diaphragm is damaged with alarming the damage. The liquid supply nozzle can contain a press member under the diaphragm which pushes up the diaphragm ... | 02/03/2004 |
| 5992479 | Dual function pressure/vacuum switch A fuel nozzle with both a Venturi shut-off mechanism and an electronic pressure switch shut-off mechanism. The increased reliability can be obtained at minimal increased cost if the two pressure-activated mechanisms are combined in a single housing so tha... | 11/30/1999 |
| 5645115 | Dispensing nozzles A fuel nozzle has a modular construction wherein valve, venturi and spout modules are mounted in a bore formed in a nozzle body. The main fuel valve is controlled, independently of fuel pressurization, in response to a mechanical signal input, acting thro... | 07/08/1997 |
| 5174346 | Fuel dispensing nozzle An improved fuel dispensing nozzle of significantly reduced size and weight has a single diaphragm that provides the vapor regulating function as well as providing the excess pressure and excess vacuum shut-off functions. Improved shut-off function is obt... | 12/29/1992 |
| 4913200 | Liquid dispensing nozzle with a pump pressure responsive automatic shut-off mechanism A liquid dispensing nozzle (10) with a pump pressure responsive automatic shut-off mechanism. The nozzle (10) comprises a body (12) with an internal passageway (13) therethrough defining an inlet port (14) for being connected to a dispensing pump and an o... | 04/03/1990 |
| 4773797 | Device for loading containers for particulate materials and the use thereof A device for loading containers that are open or can be vented, containers for fine particulate materials, said device being part of a pneumatic conveyance system, in particular such a system using dense layer transportation, where the said device compris... | 09/27/1988 |
| 4559982 | Pressure actuated poppet valve for fuel dispensing nozzle A pressure actuated poppet valve for a fuel dispensing nozzle is disclosed having a piston therein movable between a first and a second position. In the first position, the piston holds a plurality of coupling or latching balls in coupling engagement with... | 12/24/1985 |
| 4497350 | Vapor recovery system having automatic shut-off mechanism Flow through a vapor recovery nozzle is stopped when the liquid in a tank being filled reaches a predetermined level to cause a first diaphragm, which forms a wall of a first chamber, to move a latch release mechanism against the force of a single spring.... | 02/05/1985 |
| 4441533 | Automatic fuel dispenser An automatic fuel dispensing system including an automatic dispensing nozzle similar to dispensing nozzles which open manually to dispense liquids and shut-off automatically when tanks such as locomotive fuel tanks near the point of being filled, or for c... | 04/10/1984 |
| 4360127 | Apparatus for supplying fluid of predetermined quantity An apparatus for supplying fluid of predetermined quantity comprises a supplying passage for supplying fluid, an opening and closing valve provided within the supplying passage, mechanism for opening the opening and closing valve, locking mechanism for lo... | 11/23/1982 |
| 4343337 | Fuel dispensing nozzle A fuel dispensing nozzle having an aspirator valve which closes an aspirator line when there is a high negative or positive pressure in the fuel tank being filled, the closing of the aspirator line decreasing pressure in a chamber so that a shaft is relea... | 08/10/1982 |
| 4245681 | Automatic shut-off nozzle having an independent sensor arrangement for sensing the presence of liquid in vapor return means of the nozzle Liquid flow through an automatic shut-off nozzle is automatically stopped when the presence of liquid at a predetermined location in the vapor return means is sensed by an independent sensor arrangement. The automatic shut-off nozzle also stops flow in re... | 01/20/1981 |
| 4141393 | Sealable fuel dispensing nozzle with automatic low-flow shut-off mechanism A fuel dispensing nozzle for a closed system holding a volatile fuel. The nozzle is adapted to sealably engage the filler pipe of a fuel tank to avoid passage of fumes to the atmosphere during a fuel transfer operation. The nozzle will automatically disco... | 02/27/1979 |
| 4139032 | Liquid dispensing nozzle having controlled shut-off mechanism In an automatic shut-off nozzle, the vacuum chamber, which has its vacuum increased when flow through the nozzle is to be stopped in response to a predetermined condition such as the tank being filled to a predetermined level, for example, has the reducti... | 02/13/1979 |
| 4131140 | Automatic fluid dispensing apparatus An apparatus for dispensing fluid into a container in which a first passage is formed in a housing for permitting direct flow of fluid from an inlet to an outlet associated with the housing and a second passage receives a portion of the fluid and includes... | 12/26/1978 |
| 4040455 | Automatic shut off for gravity filling system for liquid storage tanks In a liquid loading system for the gravity loading of a liquid storage tank from a tank truck the present invention provides an improved mechanism for interrupting the flow of liquid when the level of liquid in a tank rises above a predetermined level. Th... | 08/09/1977 |
| 4027708 | Dispensing nozzle control system A control system for a gasoline dispensing nozzle which includes a locking system for placing the nozzle in an inoperative mode once the nozzle automatically shuts off. Resetting of the locking system is then required before operation of the nozzle can ag... | 06/07/1977 |
| 4003415 | Liquid dispensing nozzle having vapor recovery and sealing arrangement A liquid dispensing nozzle has a bellows secured to its body and disposed in spaced surrounding relation to its spout to form vapor return means therebetween. Sealing means, which can be integral with the bellows or separate therefrom, is disposed in surr... | 01/18/1977 |
| 3982571 | Vapor recovery nozzle with mechanical flow interlock In a dispenser nozzle having, a main body portion, a filling tube projecting from one end of said main body portion, and a liquid flow passage extending through said main body and said filling tube, the filling tube being adapted to be located within the ... | 09/28/1976 |
| 3957093 | Liquid supply device with automatic flow cut-off A filling device for delivering liquid to a container, such as a storage battery, with valve actuating means for automatically cutting off liquid flow when the liquid level reaches the level of the discharge nozzle and which is operated by having a vacuum... | 05/18/1976 |
