Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1994-03-03
1996-08-27
Hofsass, Jeffery
Communications: electrical
Condition responsive indicating system
Specific condition
340602, 340618, 73306, 73291, 73 496, 73 74, 137312, 137313, 137392, 141 86, 141 95, 141192, G08B 2100
Patent
active
055505325
ABSTRACT:
A device and method for containing spills and leaks from fuel handling equipment is provided in which differential sensing means detect the presence of hydrocarbons and nonhydrocarbons such as water. Signals and the responses generated according to them may depend upon the nature and quantity of the substance contained in the device. Signalling may be conducted remotely and excavation and reconstruction of service station grounds is minimized with these devices. In a preferred embodiment, the device is made of unitary construction with the differential sensing means formed as a portion of the surface of a containment vessel.
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Advertisement "4-SITE Veeder-Root Advanced Sensing Technology" by Veeder-Root Environmental Products, 125 Powder Forest Drive, P. O. Box 2003, Simsbury, CT 06070-2003, 2 pp. (Mar. 1993).
Advertisement of "Hydrocarbon Leak Detection Systems" by One Plus Corp., 2 pp.
Hofsass Jeffery
Lee Benjamin C.
Shell Oil Company
Volyn Todd F.
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