Title:
TEMPERATURE CORRECTION VALVE OPENING/CLOSING DEVICE, DUAL REDUCTION RATIO REDUCER, AND DUAL REDUCTION RATIO TEMPERATURE CORRECTION VALVE OPENING/CLOSING DEVICE, EACH HAVING DUAL MATERIAL STEM NUT
Document Type and Number:
WIPO Patent Application WO/2021/085735
Kind Code:
A1
Abstract:
The present invention relates to a valve opening/closing device for temperature correction, a dual reduction ratio reducer, and a valve opening/closing device for dual reduction ratio temperature correction, each having a dual material stem nut. More specifically, the present invention relates to a valve opening/closing device for temperature correction, the valve opening/closing device having a dual material stem nut with improved durability and maintenance workability, a dual deceleration ratio reducer, and a dual reduction ratio temperature correction valve opening/closing device having a structure capable of outputting torque at different reduction ratios with respect to one input so as to control the torque during opening/closing operations.
Inventors:
NA HYANG GUEN (KR)
KIM SUNG HWA (KR)
KANG JAE YONG (KR)
KIM SUNG HWA (KR)
KANG JAE YONG (KR)
Application Number:
PCT/KR2019/016984
Publication Date:
May 06, 2021
Filing Date:
December 04, 2019
Export Citation:
Assignee:
SAMBO IND CO LTD (KR)
International Classes:
F16K31/53; F16H57/02; F16H57/038; F16K15/06; F16K25/00; F16K27/02
Foreign References:
| KR101676783B1 | 2016-11-16 | |||
| KR100465931B1 | 2005-01-13 | |||
| JPS58177645U | 1983-11-28 | |||
| JPH08193668A | 1996-07-30 | |||
| US4181041A | 1980-01-01 |
Attorney, Agent or Firm:
JIDAM IP LAW FIRM (KR)
Download PDF:
Previous Patent: METHOD FOR PREPARING COMPOSITION FOR CONTROLLING BLOOD SUGAR, CONTAINING COMPLEX-CULTURED MUSHROOM M...
Next Patent: VEHICLE WIPER
Next Patent: VEHICLE WIPER