Open Access Journal

ISSN : 2394-2320 (Online)

International Journal of Engineering Research in Computer Science and Engineering (IJERCSE)

Monthly Journal for Computer Science and Engineering

Open Access Journal

IInternational Journal of Engineering Research in Mechanical and Civil Engineering (IJERMCE)

Monthly Journal for Mechanical and Civil Engineering

ISSN : 2456-1290 (Online)

Review on Free Piston Engine

Author : Omkar R. Girame 1 Hemant V. Kadam 2 Ashvini B. Sayambar 3 Nilesh D. Bagul 4

Date of Publication :26th April 2018

Abstract: The research of the Free-Piston Engine is taking up pace since the last two decades mainly carried by the Dutch companies NOAX and the Innas. The research in free piston engines has recently concentrated on hydraulic versions but some development in electric version has also been reported. This seminar mainly discusses the case study of the CHIRON (Pronunciation ky’-Rahn) Free Piston Engine, which is a hydraulic free piston engine developed by the Dutch companies Innas, and NOAX. CHIRON in the Greek mythology was a Centaur: neither a horse nor a man but a synthesis of a man and a horse. Similarly, the CHIRON discussed in this paper is neither an engine nor a pump: it is a combination – or better – an integration of an engine and a pump. In CHIRON the combustion energy is directly converted into Hydraulic energy. The CHIRON features direct electronic control of the injection parameters, the flow, and the compression ratio. The flow output is controlled by means of Pulse Pause Modulation of the piston frequency. The CHIRON is designed for the common pressure rail systems. In these systems, the hydraulic energy is supplied through a common rail. Special attention will be paid specific characteristics of the CHIRON compared to conventional engines and pumps

Reference :

    1.  Pescara RP. Motor compressor apparatus, US Patent 1,657,641, 1928. 
    2. Pescara RP. Motor compressor of the free piston type, US Patent 2,241,957, 1941.
    3. AchtenP.A.J.“A review of free piston engine concepts” (1994) SAE-paper 941776.
    4. R. Mikalsen, A. P. Roskilly “A review of freepiston engine history and applications”, Applied Thermal engineering, Vol 27, Issues 14-15, Oct 2007, Pages 2339- 2352
    5. Achten Peter A.J., Johan P.J. Van Den Oever, Jeroen Potma, Georges E.M. Vael, Innas BV. “Horsepower with Brains: The Design of the CHIRON free piston Engine” (2000) SAE-paper 2000-01-2545.

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