|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||415/173.7 ; 415/190|
|§371/§102 date||19990204 (19990204)|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 34 인용 특허 : 1|
A gas turbine first-stage stator blade sealing structure for preventing the sealing air from leaking from the inside even if the blade falls or inclines due to thermal stress. A rear flange (12) of a first-stage stator blade (31) is formed in an arcuate shape having a straight rib (10). A stator blade support ring (13) contacts the straight rib (10) to form a sealing face. When the rear flange (12) and the stator blade support ring (13) fall or incline relative to each other due to thermal stress during operation, the upper end or lower end of the rib (1...
[ What is claimed is:] [1.] A gas turbine first-stage stator blade sealing structure comprising:a rotor;a stator blade support ring arranged around said rotor; anda stator blade including a flange having an arcuate side face contacting a circumferential side face of said stator blade support ring, said flange having a straight ridge formed on the arcuate side face of said flange, and is held in contact with the circumferential side face of said stator blade support ring.