Title:
HYDRAULIC PUMP CONTROL SYSTEM FOR CONSTRUCTION MACHINERY
Document Type and Number:
WIPO Patent Application WO/2011/162429
Kind Code:
A1
Abstract:
Disclosed is a hydraulic pump control system which is provided on construction machinery such as excavators. The hydraulic pump control system for construction machinery according to the present invention is adapted to be able to reduce flow rate losses by supplying the necessary amount of hydraulic fluid from the hydraulic pump to a hydraulic motor at an initial stage in order to accelerate the swivelling of an upper frame relative to a base carrier or else to make an inertial body such as a drive motor swivel.
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Inventors:
SHIN, Hung-Ju (416 Dormitory of Volvo, 33-1 Sinchon-dongChangwon-si, Gyeongsangnam-do 641-370, 641-370, KR)
신흥주 (경상남도 창원시 신촌동 33-1번지 볼보기숙사 416호, 641-370 Gyeongsangnam-do, 641-370, KR)
JOUNG, Hea-Gyoon (1 SinJurye LG Apt, Jurye 2-dong Sasang-gu, Busan 617-762, 617-762, KR)
신흥주 (경상남도 창원시 신촌동 33-1번지 볼보기숙사 416호, 641-370 Gyeongsangnam-do, 641-370, KR)
JOUNG, Hea-Gyoon (1 SinJurye LG Apt, Jurye 2-dong Sasang-gu, Busan 617-762, 617-762, KR)
Application Number:
KR2010/004097
Publication Date:
December 29, 2011
Filing Date:
June 24, 2010
Export Citation:
Assignee:
VOLVO CONSTRUCTION EQUIPMENT AB (S- Eskilstuna, S-631 85, SE)
볼보 컨스트럭션 이큅먼트 에이비 (에스킬스투나, Eskilstuna, S-631 85, SE)
SHIN, Hung-Ju (416 Dormitory of Volvo, 33-1 Sinchon-dongChangwon-si, Gyeongsangnam-do 641-370, 641-370, KR)
신흥주 (경상남도 창원시 신촌동 33-1번지 볼보기숙사 416호, 641-370 Gyeongsangnam-do, 641-370, KR)
볼보 컨스트럭션 이큅먼트 에이비 (에스킬스투나, Eskilstuna, S-631 85, SE)
SHIN, Hung-Ju (416 Dormitory of Volvo, 33-1 Sinchon-dongChangwon-si, Gyeongsangnam-do 641-370, 641-370, KR)
신흥주 (경상남도 창원시 신촌동 33-1번지 볼보기숙사 416호, 641-370 Gyeongsangnam-do, 641-370, KR)
International Classes:
F15B11/02; E02F9/22; F04B27/14; F15B21/08
Attorney, Agent or Firm:
YOON, Eui-Seoup (17th Floor, UNIK Bldg. 706-13,Yeoksam-dong, Gangnam-gu, Seoul 135-080, 135-080, KR)
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