Fluent material handling – with receiver or receiver coacting mea – Multiple passage filling means for diverse materials or flows – With valve operated by receiver engaging means
Patent
1991-01-28
1991-12-03
Recla, Henry J.
Fluent material handling, with receiver or receiver coacting mea
Multiple passage filling means for diverse materials or flows
With valve operated by receiver engaging means
141207, 141301, 141208, 141217, 141351, B65B 104, B65B 304
Patent
active
050692607
ABSTRACT:
A lightweight, low maintenance and efficient gasoline dispensing nozzle having a nozzle spout to be inserted into the fill pipe of a motor vehicle to dispense fuel thereto from an underground storage tank while reliably preventing the escape of hydrocarbon vapors prior to and during the pumping of such fuel. The dispensing nozzle includes a resilient sealing bladder assembly which is normally spring biased to a relatively distal position at which to prevent communication between the underground tank and the atmosphere. When the nozzle spout is inserted into the fill pipe, the sealing bladder is urged axially against its spring bias to a relatively proximal position at which to release a latching assembly and thereby permit the pump handle to be depressed radially inward so that gasoline will be dispensed. In its proximal position, the sealing bladder forms a secure, vapor-tight seal against the fill pipe to prevent the escape of vapors to the atmosphere while opening a vapor recovery mouth which communicates with the underground tank by way of a vapor recovery tube. Accordingly, vapors that are displaced from the vehicle tank when fuel is dispensed thereto are forced through the vapor recovery mouth and to the storage tank via the vapor recovery tube.
REFERENCES:
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patent: 3911973 (1975-10-01), Casteline Jr.
patent: 3982571 (1976-09-01), Fenton et al.
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patent: 4060110 (1977-11-01), Bower
patent: 4143689 (1979-03-01), Conley
patent: 4418730 (1983-12-01), McMath
Kupferschmid Keith
Recla Henry J.
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