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. 07, 2023
Filed:
Nov. 11, 2020
Crrc Nanjing Puzhen Co., Ltd., Nanjing, CN;
Li Yang, Nanjing, CN;
Caixia Shi, Nanjing, CN;
Wei Xie, Nanjing, CN;
Lian Ge, Nanjing, CN;
Hemin Ding, Nanjing, CN;
Jianglong Chang, Nanjing, CN;
CRRC Nanjing Puzhen Co., Ltd., Nanjing, CN;
Abstract
A bus breaker control circuit for a railway vehicle includes a close relay, an open relay, a power supply circuit for a bus breaker, a power supply circuit for the hold relay, and a delay module; the power supply circuit for the hold relay comprises a normally-closed contact of the open relay, an auxiliary normally-open contact of the bus breaker, and the hold relay sequentially connected in series to a train power supply; the power supply circuit for the bus breaker comprises a normally-open contact of the hold relay and the bus breaker sequentially connected in series to the train power supply; and the delay module is connected in parallel with the hold relay, normally-closed contacts of the delay module are connected in series to the power supply circuit for the close relay.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile