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:
Sep. 17, 2024
Filed:
Jul. 14, 2020
Hitachi, Ltd., Tokyo, JP;
Misaki Kon, Tokyo, JP;
Tomoo Hayashi, Tokyo, JP;
Takahisa Yamamoto, Tokyo, JP;
Ryota Fukuhara, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
To provide a railroad vehiclecapable of controlling a private room temperature and a guest room temperature with a simple configuration without increasing the number of manufacturing steps and without requiring complicated control while using a common air conditioner in view of the fact that the number of passengers of a private room and the number of passengers of a general guest room are largely different from each other in many cases, which causes a change in indoor temperature. A railroad vehicleincludes a private room, a guest room, an air conditioner, and a main ductfor supplying conditioned air conditioned by the air conditionerto the guest room, a branch ductfor connecting the main ductto the private roomis provided in order to supply the conditioned air, and the branch ductincludes an introduced air portfor introducing the air of the guest roomto the branch ductin accordance with a difference between the pressure in the guest roomand the pressure in the branch ductor the private room