Patent ID: 9650910
Date: 2017-05-16
CPC Classifications: F01D,F02C,F05D,F16K,Y10T

Claim:
1. A steam valve comprising: an upper lid; a valve case that is sealed with the upper lid, and that has a valve chamber formed therein; a stop valve capable of stopping/releasing the flow of steam when driven so as to open/close; a governing valve that is provided coaxially in the interior of the stop valve, and that controls the flow volume of the steam when driven to open/close in the same direction as an opening/closing direction of the stop valve; a first guide part that passes through an upper surface part of the stop valve, that is fixed to the upper lid, that is provided between the stop valve and the governing valve so as to separate the stop valve and the governing valve in a radial direction, and that guides at least the governing valve in the opening/closing direction; and a second guide part that is provided on an outer peripheral side of the stop valve and that guides the stop valve in the opening/closing direction, wherein the stop valve and the governing valve are housed as an integral structure in the valve chamber of the valve case.