US 11,988,102 B2
Method of cleaning blade of rotary device
Nariyuki Tomonaga, Tokyo (JP); Hikaru Miyata, Yokohama (JP); Hiroyuki Mitsui, Tokyo (JP); and Takayuki Ikarashi, Yokohama (JP)
Assigned to MITSUBISHI POWER, LTD., Kanagawa (JP)
Appl. No. 17/615,334
Filed by Mitsubishi Power, Ltd., Kanagawa (JP)
PCT Filed Jul. 14, 2020, PCT No. PCT/JP2020/027317
§ 371(c)(1), (2) Date Nov. 30, 2021,
PCT Pub. No. WO2021/020098, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 2019-138754 (JP), filed on Jul. 29, 2019.
Prior Publication US 2022/0220861 A1, Jul. 14, 2022
Int. Cl. F01D 25/00 (2006.01); B08B 1/14 (2024.01); B08B 3/08 (2006.01); B08B 3/10 (2006.01); F02C 7/00 (2006.01)
CPC F01D 25/002 (2013.01) [B08B 1/143 (2024.01); B08B 3/08 (2013.01); B08B 3/10 (2013.01); F02C 7/00 (2013.01); F05D 2220/32 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A method of cleaning a blade of a rotary device, comprising:
a cleaning preparation step of removing a rotary member including the blade from the rotary device and hanging the rotary member;
a first application step of applying a water-soluble cleaning liquid containing a surfactant to the blade following the cleaning preparation step;
a setting-aside step of setting the blade aside after the cleaning liquid has been applied in the first application step;
a first wiping step of wiping the blade with a rag after the setting-aside step;
a second application step of applying water or a dilute cleaning liquid having a lower concentration of the surfactant than that in the cleaning liquid applied in the first application step to the blade after the first wiping step; and
a second wiping step of wiping the blade with a rag after the second application step.