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US 5,181,840 AGranted
Engine compressor with a perfected ventilating device
AssigneeFini Electtrocostruzioni Meccaniche S.p.A.
InventorFranco Zecchini
Life of this patent
Estimating the term…
Abstract
An engine compressor comprising an internal combustion engine with a drive shaft; a compressor with a head and a cylinder; and a device for ventilating the head and cylinder, and having: an impeller fitted on to the drive shaft; a housing mounted between the casings of the engine and the compressor, and defining an internal chamber housing the impeller; an inlet formed in a central position of the housing and through which ambient air is drawn; and an outlet formed in the top portion of the housing and through which air is fed to the head and the cylinder.
Claims9
An engine compressor comprising:
- an internal combustion engine having a drive shaft extending therefrom;
- a compressor portion having a head and a cylinder inside of which a piston is located, the piston being attached to a connecting rod which is mechanically connected to said drive shaft so that the piston can be moved;
- and
- a device for ventilating said head and said cylinder which includes a centrifugal impeller fitted on to said drive shaft located between the engine and the point at which said drive shaft is connected to said connecting rod, a housing installed between a casing of said engine and a casing of said compressor portion, said housing defining an internal ventilating chamber housing said impeller and having at least two holes defined therein so that said drive shaft can pass through the housing, an inlet formed in a central portion of said housing and through which ambient air is drawn into said chamber, and an outlet formed in a top portion of said housing and through which air is fed to said head and said cylinder.
1 more element
Dependencies are inferred from the claim text.