Title:
完全制御フリーピストンエンジン
Document Type and Number:
Japanese Patent JP4255829
Kind Code:
B2
Abstract:
A free-piston engine that comprises a pair of parallel side-by-side combustion cylinders, a free-floating combustion piston mounted in each of said combustion cylinders for reciprocating linear motion therein, responsive to successive combustion events within said combustion cylinders, at least one pumping piston (101) extending from and fixed to each of said combustion pistons, a hydraulic cylinder (107) receiving each of said pumping pistons (101) for reciprocating motion therein, a shuttle cylinder (103, 110) axially aligned with and in fluid communication with each of said hydraulic cylinders and a shuttle piston (102, 111) mounted in each shuttle cylinder (103, 110) for reciprocating motion therein, connectors (104) for rigidly and axially connecting each shuttle piston (102,111) to a pumping piston (101), a transfer tube (109) providing fluid communication respectively between said shuttle cylinders (103, 110), and a flexible linkage (112) passing through said transfer tube (109) and connecting the shuttle pistons (102, 111).
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Inventors:
Gray Charles El Jr.
Application Number:
JP2003527266A
Publication Date:
April 15, 2009
Filing Date:
August 13, 2002
Export Citation:
Assignee:
United States Environmental Protection Agency
International Classes:
F01B1/12; F01B11/00; F01B23/08; F01B31/14; F02B71/04; F04B17/05; F04B19/00; F02B1/12
Domestic Patent References:
| JP49002206B1 | ||||
| JP51079812A |
Foreign References:
| US4876991 | ||||
| US4369021 | ||||
| WO2001049998A1 | ||||
| DE2046442A | ||||
| GB1332799B |
Attorney, Agent or Firm:
Makoto Kawai