Title:
A PISTON OF A FREE PISTON ENGINE GENERATOR
Document Type and Number:
WIPO Patent Application WO/2013/021171
Kind Code:
A3
Abstract:
A piston for a free piston engine generator, comprising one or more elements arranged coaxially along a piston shaft wherein the length of the piston is at least five times its maximum diameter, wherein at least one of the elements is formed from a magnetically permeable composite material having isotropic electrical resistivity at least twice that of electrical steel, this arrangement providing improved free piston position control, more consistent combustion and improved electrical conversion efficiency.
Inventors:
COCKERILL SAMUEL EDWARD (GB)
Application Number:
PCT/GB2012/051850
Publication Date:
May 30, 2013
Filing Date:
July 31, 2012
Export Citation:
Assignee:
LIBERTINE FPE LTD (GB)
COCKERILL SAMUEL EDWARD (GB)
COCKERILL SAMUEL EDWARD (GB)
International Classes:
F02B71/04; F02B63/04; H02K7/18
Domestic Patent References:
| WO2011077118A1 | 2011-06-30 |
Foreign References:
| US20050162034A1 | 2005-07-28 | |||
| EP2242168A1 | 2010-10-20 | |||
| US20110104476A1 | 2011-05-05 |
Other References:
See also references of EP 2742221A2
Attorney, Agent or Firm:
SMEE, Anthony James Michael (The Broadgate Tower20 Primrose Street, London EC2A 2ES, GB)
Download PDF: