Title:
NON-GROUNDED HYDRAULIC TRANSMISSION APPARATUS
Document Type and Number:
WIPO Patent Application WO2000071907
Kind Code:
A3
Abstract:
A non-grounded hydraulic transmission apparatus (16) is provided for transferring power from a power source to a work unit. Transmission apparatus (16) includes an input device (20) having an input shaft (26) coupled to the power source and a plurality of pumps (30) configured to rotate with input shaft (26). Pumps (30) are configured to transfer energy received from the power source into a fluid (22). Transmission apparatus (16) further includes an output device (24) having an output shaft (38) coupled to the work unit and a plurality of turbines (34) configured to rotate output shaft (38). Turbines (34) are configured to remove energy from fluid (22) and transfer said energy to the work unit through output shaft (38).
Inventors:
JOHNSON KENNETH O (US)
Application Number:
PCT/US2000/014054
Publication Date:
March 22, 2001
Filing Date:
May 22, 2000
Export Citation:
Assignee:
JOHNSON KENNETH O (US)
International Classes:
F16D33/00; F16H41/26; F16D33/04; F16H41/00; F16H41/24; (IPC1-7): F01N7/00
Foreign References:
| US3271958A | 1966-09-13 | |||
| US2357654A | 1944-09-05 | |||
| US2469085A | 1949-05-03 | |||
| US2389174A | 1945-11-20 | |||
| US1965518A | 1934-07-03 | |||
| GB711546A | 1954-07-07 |
Other References:
See also references of EP 1179147A4
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