Free piston engine

Details Free piston engine Free piston engine

2005-08-23

2005-08-23

Look, Edward K. (Department: 3745)

Power plants

Pressure fluid source and motor

With control means for structure storing work driving energy

C060S596000

Reexamination Certificate

active

06931845

ABSTRACT:
A free-piston engine has a stepped piston having a larger end face thereof guided in the compression cylinder, and a smaller end face in the work cylinder. Both the work cylinder and the compression cylinder are connected with a common high-pressure accumulator for initiating the compression stroke or for charging during the expansion stroke.

REFERENCES:
patent: 5556262 (1996-09-01), Achten et al.
patent: 6293231 (2001-09-01), Valentin
patent: 3327334 (1985-02-01), None
patent: 0045472 (1986-03-01), None
patent: 0613521 (1996-01-01), None
patent: WO 93/10345 (1993-05-01), None
patent: WO 98/54450 (1998-12-01), None
patent: WO 0050755 (2000-08-01), None

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