JOURNAL BROWSE
Search
Advanced SearchSearch Tips
Minimization of Tilting Moment of Co-Rotating Scroll Compressor by Design of Back Pressure Chamber
facebook(new window)  Pirnt(new window) E-mail(new window) Excel Download
 Title & Authors
Minimization of Tilting Moment of Co-Rotating Scroll Compressor by Design of Back Pressure Chamber
Gu, In-Hoe; Park, Jin-Mu;
  PDF(new window)
 Abstract
In a co-rotating scroll compressor, both scrolls rotate on their fixed axes contrary to the conventional orbiting type scroll machine. This implies fixed locations and directions of the gas pressure force and sealing force. Because the tilting moment is mainly caused by interplay between the resultant force of above forces and bearing reaction force, the variation during one cycle is relatively small. Under real operation, this moment is balanced by the restoring moment created by the reaction between the baseplate and thrust bearing or between the scroll tip and baseplate. If these reactions become too large, greater torque is required due to increased friction in addition to the wear of mating parts. Consequently, appropriate study and minimization of tilting moment is important in the design of scroll machines. In this study, taking into account of the small variation of tilting moment during one cycle, we minimize the moment and thrust bearing reaction force by a properly designed back pressure chamber. As a result, for both the driving and driven scrolls, the tilting moment and the reaction force of thrust bearing can be minimized. And the stability is improved for all cases.
 Keywords
Scroll;Compressor;Co-Rotating;Tilting Moment;Overturning Moment;Minimization;Stability;Back Pressure Chamber;
 Language
Korean
 Cited by
 References
1.
John E. McCullough, Fritz Hirschfeld, 1979, 'The Scroll Machine-An Old Principle with a New Twist,' Mechanical Engineering, December, pp. 46-51

2.
Naoshi Uchikawa, Hirokiyo Terada, Tetsuya Arata, 1987, 'Scroll Compressor for Air Conditioner,' Hitachi Review, Vol. 36, No. 3, pp. 155-162

3.
Zhenquan Liu, Tadashi Yanagisawa, 1998, 'New Mechanical Model for the Scroll Mechanism and its Mechanical Analysis,' Proceedings of the 1998 International Compressor Engineering Conference at Purdue, pp. 507-512

4.
Etsuo Morishita, Masahiro Sugihara, Toshiyuki Nakamura, 1986, 'Scroll Compressor Dynamics (1st Report, The Model for the Fixed Radius Crank),' Bulletin of JSME, Vol. 29, No. 248, pp. 476-482

5.
Etsuo Morishita, Masahiro Sugihara, Tsutomu Inaba, Tadashi Kimura, 1986, 'Scroll Compressor Dynamics (2nd Report, The Compliant Crank and the Vibration Model),' Bulletin of JSME, Vol. 29, No. 248, pp. 483-488

6.
Etsuo Morishita, Yoshihisa Kirota, Takuta Suganami, Sakuei Yamamoto, Mitsuhiro Nishida, 1988, 'Rotating Scroll Vacuum Pump,' Proceedings of the 1988 International Compressor Engineering Conference at Purdue, pp. 198-205

7.
森下悅生, 菅波拓也, 西田光博,木藤良善久,山本作衛,藤井好三郞, 1988,'スクロ-ル眞空ポンプの硏究,' 日本機械學會論文集(B編), 54卷, 498號,pp. 410-413

8.
森下悅生, 角田昌之, 1988, 'スクロ-ルファンおよびブロワのン硏究,' 日本機械學會論文集(B編), 54卷, 498號, pp. 442-445

9.
Etsuo Morishita, Mutsuo Sekiya, Osamu Yatsuki, 1994, 'A Co-Rotating Scroll Compressor for Positive Displacement and Centrifugal Dual-Mode Operations,' Proceedings of the 1994 International Compressor Engineering Conference at Purdue, pp. 671-676

10.
Hiroshi Hasegawa, Mitsuhiro Ikoma, Fumitoshi Nishiwaki, Terumaru Harada, Hidenobu Shintaku, 1998, 'Dynamic Analysis of a Co-Rotating Scroll Compressor,' Proceedings of the 1998 International Compressor Engineering Conference at Purdue, pp. 643-648

11.
John R. Williams, Joe T. Hill, Gene M. Field, 1998, 'Scroll Compressor with No Tipping Moment,' Proceedings of the 1998 International Compressor Engineering Conference at Purdue, pp. 743-748

12.
Etsuo Morishita, Masahiro Sugihara, Tsutomu Inaba, Toshiyuki Nakamura, 1984, 'Scroll Compressor Analytical Model,' Proceedings of the 1984 International Compressor Engineering Conference at Purdue, pp. 487-495