The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 05, 2001
Filed:
Jun. 28, 1996
Applicant:
Inventor:
Mikko Luoto, Vantaa, FI;
Assignee:
Sampower Oy, Hämeenlinna, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 7/100 ; F04B 1/705 ;
U.S. Cl.
CPC ...
F02B 7/100 ; F04B 1/705 ;
Abstract
The invention relates to a multi-piston hydraulic pump for a free-piston engine, comprising two engine pistons (,) mounted on a common piston rod (,) which is also fitted with pin-shaped pistons (,) of the hydraulic pump at a radial distance from the piston rod (,). Mounting blocks (,) for the hydralic punp pistos (,,,) extend from the engine piston rod (,) crosswise relative to each other at an axial distance from each other. The hydraulic pistons (,and,) fastened to different mounting blocks (,and,and,) are located for the most part side by side over the same section of the axial length of the engine piston rod and the free ends thereof point in opposite directions.