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Showing: 1 to 10 of 333 matches for "Electric Trolley assist"  Page   1   2   3   4   5   6   7   8   9  next TITLE Canadian Experience in Open Pit Mining  SUMMARY ... A trolley-assist system supplies electric power through an overhead system to power electric drive trucks in some areas of a mine. ... AUTHOR Singhal, R. K. PUBLISHED 1995 TITLE Canadian Experience In Open Pit Mining  SUMMARY ... A trolley assist system supplies commercial electric power through an overhead system to power electric drive trucks in some areas of the mine. ... AUTHOR R. K. Singhal PUBLISHED 1994 TITLE Liebherr Introduces 327-T (360-st) Haul Truck  SUMMARY ... ew two-axle, diesel-electric, AC drive haul truck with a payload capacity of 327 ... been de- signed to allow for easy configuration to a trolley-assist system with ... PUBLISHED 1999 TITLE Productivity Enhancements In Canadian Hard Rock Surface Mining  SUMMARY ... A trolley assist system supplies commercial electric power through an overhead system to power electric drive trucks in some areas of the mine. ... AUTHOR Singhal, R. K. PUBLISHED 1987 TITLE Trolley Assist For Diesel-Electric Haulage Trucks  SUMMARY ... bf TROLLEY ASSIST FOR DIESEL-ELECTRIC HAULAGE TRUCKS John E. Miller Product Planner ... Page 2. TROLLEY ASSIST FOR DIESEL-ELECTRIC HAULAGE iRUCi.S ... AUTHOR Miller, John E. PUBLISHED 1980 TITLE In-the-wall haulage for open-pit mining - by W.A. Hustrulid, B. Seegmiller, and 0. Stephansson TechnicaLPapers, MINING ENGINEERING, Vol. 39, NO. 2 February 1987, pp. 11 9-123  SUMMARY ... If electric trucks are profitable for in-the-wall haulage, it is normally also profitable to use electric trolley assist for trucks on the haul road in the pit ... AUTHOR Nilsson, D. ; Aaro, B. PUBLISHED 1990 TITLE Discussion – In-the-wall haulage for open-pit mining – by W. A. Hustrulid, B. Seegmiller, and O. Stephansson Technical Papers, MINING ENGINEERING, Vol. 39, No. 2 February 1987, pp. 119-123  SUMMARY ... If electric trucks are profitable for in-the-wall haulage, it is normally also profitable to use electric trolley assist for trucks on the haul road in the pit ... AUTHOR Nilsson, D. ; Aaro, B. PUBLISHED 1989 TITLE The Economics And Productivity Impact Of Trolley Assisted Truck Haulage  SUMMARY ... 12.5. Based on energy savings only an electric assist would provide a 37% annual return on the trolley system investment. When productivity ... AUTHOR Dietz, J. H. PUBLISHED 1984 TITLE Effect of Oil Economics on Open Pit Mine Haulage Trends  SUMMARY ... Power is derived from an overhead electric line. Until recently, trolley assist has not attracted more than passing interest from mine operators. ... AUTHOR Burton, A. K. PUBLISHED 1983 TITLE Truck Haulage Using Overhead Electrical Power to Conserve Diesel Fuel and Improve Haulage Economics  SUMMARY ... An electric trolley assist system consists of an overhead power source with truck mounted cur- rent collection neans and an auxiliary control circuit which ... AUTHOR Brzezniak W PUBLISHED 1981 Showing: 1 to 10 of 333 matches for "Electric Trolley assist"  Page   1   2   3   4   5   6   7   8   9  next Search Again