Pumps – Convertible to apparatus of a different class
Patent
1993-12-28
1995-01-03
Bertsch, Richard A.
Pumps
Convertible to apparatus of a different class
417364, F04B 4100
Patent
active
053781139
ABSTRACT:
An internal combustion engine having cylinders and a head assembly adapted for compressing gas, wherein one or more cylinders of an inline-cylinder engine are modified to compress flammable gas, such as natural gas. The engine cylinders and head assembly are adapted to compress gas by: modifying existing engine valves to secure compressor intake and discharge valves within the head assembly; converting engine pistons into compressor pistons; inserting filler plates into the head assembly; and replacing the engine manifold, which is in communication with the adapted cylinders, with gas intake and discharge manifolds.
REFERENCES:
patent: 1934880 (1933-11-01), Pyk et al.
patent: 2133769 (1938-10-01), Jones
patent: 4351278 (1982-09-01), Gaschler et al.
patent: 4563132 (1986-01-01), Grimmer
patent: 4565167 (1986-01-01), Bryant
patent: 4700663 (1987-10-01), Dunn
patent: 4961691 (1990-10-01), Waldrop
patent: 5203680 (1993-04-01), Waldrop
Exhibit A-Receipt dated Feb. 1, 1993 showing when the apparatus to be patented was first leased for public use.
Bertsch Richard A.
Kocharov M.
Roddy Craig W.
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