The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 01, 2004
Filed:
Mar. 21, 2002
Naoki Yanagisawa, Fujisawa, JP;
Isuzu Motors Limited, Tokyo, JP;
Abstract
Damaging of a high-pressure fuel pump is prevented by driving the high-pressure fuel pump when interior lubrication of the high-pressure fuel pump is ensured. The fuel supply system ( ) for a dimethyl ether engine, wherein dimethyl ether is supplied from a fuel tank ( ) to a high-pressure fuel pump ( ) while being raised to a saturated vapor pressure or above by means of a pressure feed pump ( ) and is then raised to a pressure suitable for injecting into an engine by means of the high-pressure fuel pump ( ) and supplied to a common rail ( ) to which fuel injection devices ( ) are connected, comprises: a dimethyl ether detecting device ( ), disposed in a fuel pipe leading to said high-pressure fuel pump ( ), for detecting the state of the dimethyl ether from the pressure feed pump ( ); and an electronic control unit ( ), connected to said dimethyl ether detecting device ( ), for driving said high-pressure fuel pump ( ) when the dimethyl ether inside the fuel pipe ( ) leading to said high-pressure fuel pump ( ) is in a liquid state.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile