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Patent Searching and Data


Title:
【発明の名称】自由ピストン機関
Document Type and Number:
Japanese Patent JP2003533629
Kind Code:
A
Abstract:
The free piston engine has an engine piston (6) driven by a staged hydraulic piston (8), the section of which with the lesser diameter is arranged in a work cylinder (14) and the section with the greater diameter in a compression cylinder (18). The compression stroke is activated with pressure medium from an accumulator (30) via a start valve (32). Pressure medium can be sucked into the work cylinder from a low pressure accumulator (24). During the expansion stroke, the pressure medium in one of the cylinders is used for charging a pressure medium accumulator. The pressure medium accumulator is of the high pressure type (30), connectable to both the work cylinder and the compression cylinder.

Inventors:
Rudolf Schaefer
Application Number:
JP2001584722A
Publication Date:
November 11, 2003
Filing Date:
May 15, 2001
Export Citation:
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Assignee:
Manesmann Rex Auto Akchen Gesell Shaft
International Classes:
F02B71/00; F01B11/08; F01B23/08; F02B71/04; (IPC1-7): F01B11/08; F01B23/08; F02B71/00
Domestic Patent References:
JPS63100229A1988-05-02
JPH07501122A1995-02-02
JP2002515560A2002-05-28
JPH04298644A1992-10-22
Foreign References:
US5556262A1996-09-17
US4599861A1986-07-15
WO1998054450A11998-12-03
EP0085800A21983-08-17
DE3327334A11985-02-07
Attorney, Agent or Firm:
Yoshikazu Tani (2 outside)