US Patent: 1,970,371
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| Air Compressor Engine
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Patentee:
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| John Roy Frantz (exact or similar names) - Wauwatosa, Milwaukee County, WI |
| Assignees: |
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Le Roi Co. - West Allis, Milwaukee County, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 06, 1932 |
| Granted: |
Aug. 14, 1934 |
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Patent Pictures:
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Joel Havens
"Vintage Machinery" entry for Le Roi Co.
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Description: |
| Continuation of application Serial No. 288,564, June 27, 1928. This application. September 6, 1932, Serial No. 631,786.This invention relates to improvements in air compressor engines. The present application is a continuation of application Serial No. 288,564 filed June 27, 1928.
Abstract:
It is the object of the invention to overcome, without interference with standardization of engine parts, the difficulties inherent in the means heretofore employed for building up auxiliary supplies of compressed air, such as are required incidentally to the operation of locomotives, derricks, hoists, excavators and the like, for which power is furnished by internal combustion engines.
Claim:
In an internal combustion engine, the combination of a series of six engine cylinders arranged with their centers vertical in a common plane and spaced to be-normally closely adjacent one another, pistons in said cylinders, connecting rods receiving motion from said pistons, a crank case, main bearings including two central bearings, a crank shaft journaled in said main bearings and provided with five crank portions for said connecting rods including a single crank portion for the connecting rods of the two adjacent central cylinders and positioned between said central main bearings, bearings spaced apart on said single crank portion for the last mentioned connecting rods, a pump cylinder fixed with said crank case for the center thereof to be offset from said plane and at a substantial angle with respect thereto, and providing inlet and outlet means independent of said engine cylinders, a piston reciprocable in said pump cylinder, and a connecting rod delivering motion to said pump piston and deriving motion from said single crank portion and between and independently of the connecting rods of said adjacent central engine cylinders. |
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