POWER TRANSMITTING DEVICE FOR HYDRAULIC SHOVEL

• Main Authors: OGATA NAGAHIRO, MIYAKAWA KENJI
• Format: Patent
• Language: English; French; Japanese
• Published: 07.06.2012
• Subjects: ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; DREDGING; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLETECHNOLOGY; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PERFORMING OPERATIONS; SOIL SHIFTING; TRANSPORTING; VEHICLES IN GENERAL

A power transmitting device (20) for a hydraulic shovel (1) comprises: hydraulic pumps (a first hydraulic pump (40) and a second hydraulic pump (50)) for supplying, under pressure, operating oil to a hydraulic actuator (16); a motor generator (90) which drives the hydraulic pumps by electric power s...