|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||415/157 ; 415/202 ; 251/282 ; 251/063|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 1 인용 특허 : 4|
A steam control valve is provided with a valve core arranged in the valve housing (10), with an upper valve spindle (5) guided in a sealing packing (12), with a valve cone (1) sliding in a lower and upper valve core (3b) and (3a), and with a valve diffusor (6) arranged in the valve housing (10). Piston rings (4a) are inserted in the upper part (1a) of the valve cone (1) sliding in the valve core upper part (3a), and piston rings (4b) are inserted in the lower part (1c) of the valve cone (1) sliding in the valve core lower part (3b). Clean water is used a...
[ What is claimed is:] [1.] A steam turbine steam control valve, comprising:a valve housing having a valve diffuser;a valve core arranged in said valve housing, said valve core having and upper part and a lower part;a sealing packing disposed adjacent to said valve core;a valve spindle guided in said sealing packing;a valve cone connected to said valve spindle, said valve cone sliding in said valve core, said valve cone including an valve cone upper part and a valve cone lower part;a hydraulic drive connected to said valve spindle, said hydraulic drive i...