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. 22, 2020
Filed:
Jun. 10, 2019
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Yuichi Nakamura, Yokohama, JP;
Tomoo Oofuji, Yokohama, JP;
Tsutomu Shioyama, Yokohama, JP;
Takashi Iseki, Minato, JP;
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
Abstract
A steam valveof an embodiment includes: a valve elementof a steam control valve, the valve elementbeing provided to be movable in an up and down direction; a valve elementof a main stop valve, the valve elementbeing provided under the valve elementcoaxially with the valve elementto be movable in the up and down direction; a valve seatwith which the valve elementand the valve elementcome into and out of contact; and a guide tubeslidably supporting a valve rodincluding the valve element, and having a flange portionat a bottom side in a casing. The steam valvefurther includes: the casinghousing the valve element, the valve element, the valve seat, and the guide tube; a drain discharge holeformed at a bottom side of the casing; a drain pipeprovided with a shutoff valveand communicating with the drain discharge hole; and a flow direction changing partwhich changes a direction in which steam having passed between the valve elementand the valve seatand flowing along the guide tubeflows toward the drain discharge hole