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:
Nov. 10, 2015
Filed:
Jan. 13, 2012
Toshinobu Fujisawa, Osaka, JP;
Kenji Ogata, Osaka, JP;
Shohei Amakawa, Osaka, JP;
Masato Watanabe, Osaka, JP;
Hiroyuki Okada, Osaka, JP;
Toshinobu Fujisawa, Osaka, JP;
Kenji Ogata, Osaka, JP;
Shohei Amakawa, Osaka, JP;
Masato Watanabe, Osaka, JP;
Hiroyuki Okada, Osaka, JP;
Yanmar Co., Ltd., Osaka-shi, JP;
Abstract
A gas engine system has a control unit including: a first determination section for determining, as a first determination, whether the gas pressure is a low pressure less than a predetermined pressure, while the control device recognizes the gas valve is closed; a second determination section for determining, as a second determination, whether the gas pressure is a high pressure equal to or more than the predetermined pressure, while the control device recognizes that the gas valve is open, if the first determination determines the gas pressure is the low pressure; a start-up section for performing the first and second determinations before start of engine operation when receiving a start-up command; and an operation start section for opening the valve and starting the engine, if the first determination determines the gas pressure is the low pressure, and if the second determination determines the pressure is the high pressure.