F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
103/108
F04B 17/00 (2006.01) F02B 65/00 (2006.01) F04D 13/02 (2006.01) F02B 1/04 (2006.01)
Patent
CA 1112944
ABSTRACT OF THE DISCLOSURE A submersible pump system is disclosed which uses a submersible internal combustion engine as the drive means for the pump. The system is ideally suited for use in installations employing conventional submersible pumps driven with electrical motors as an auxiliary or standby system which is designed to be employed during periods when the conventional pumps are inoperable, such as during an electrical power failure. In addition, the system is useful for pumping applications wherein electrical power is not available. The system of this invention comprises a watertight submersible enclosure having an internal combustion engine mounted therein. A submersible, centrifugal pump is mounted on the exterior of the enclosure, with the drive shaft of the pump extending into the enclosure through a water-tight seal therein and being connected to the output drive of the engine. A shroud is positioned between the engine and the interior sides of the enclosure so as to substantially surround the sides of the engine, with the lowermost end of the shroud being spaced from the bottom of the enclosure, so that a flow channel is formed extending downwardly between the enclosure and the shroud, around the lower end of the shroud, and upwardly through the inside of the shroud around the engine. First and second conduits or air ducts are attached to the upper ends of the shroud and the enclosure, respectively, and then extend upwardly, opening into the atmosphere. Fan means driven by the engine circulates atmospheric air downwardly through the outer conduit, through the flow channel formed by the shroud, and back up to the atmosphere through the inside conduit. Means are provided on the engine for drawing combustion air from the air circulated through the system by the fan means, while exhaust from the engine is released to the upward flow of air in the inside conduit.
335034
Smart & Biggar
Wilkins Richard S.
LandOfFree
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