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:
Oct. 05, 2021
Filed:
Oct. 28, 2019
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Tomoyuki Kozuka, Nagoya, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
A fuel cell system comprises a fuel cell, a fuel gas supply pipe connected to a fuel gas inlet of the fuel cell, a circulation pipe connecting a fuel off gas outlet of the fuel cell and the fuel gas supply pipe, a hydrogen pump disposed on the circulation pipe, a water pump configured to deliver coolant discharged from the fuel cell to the hydrogen pump, an acquisition unit configured to obtain at least one parameter corresponding to temperature of fuel gas exhausted from the hydrogen pump, and a controller configured to switch between ON and OFF states of the water pump according to the parameter obtained by the acquisition unit.