The recently delivered Esso San Francisco, first of three 75,600 dwt tankers building at Avondale Shipyards for Humble Oil & Refining Co, features a new console controlled cargo handling system which monitors and controls the turbine-driven cargo oil pumps, the electric ballast pumps and the motor-operated valves that comprise the heart of the system. The system is designed for single-operator control, with all valve and pump operations for cargo loading and unloading from the central console. Each of the cargo oil pumps can be regulated by the console operator with a governor switch that controls the speed of the pump, and open-close pushbuttons controlling the inlet steam valve for starting and stopping the pump. A tachometer, and suction and discharge pressure gages mounted at each pump control station allow the operator to see exactly how each pump is operating. Each of the valves in the intricate cargo piping system is controlled by pushbuttons on the console. Control and indication of the motor-operated cargo valves in the system are unique in that they utilize a multiplexing scheme that reduces by one-half the number of wires that have to be run from the valves to the console.

  • Availability:
  • Corporate Authors:

    Simmons-Boardman Publishing Corporation

    30 Church Street
    New York, NY  United States  10007
  • Publication Date: 1970-2

Media Info

  • Pagination: p. 46-47
  • Serial:
    • Marine Engineering/Log
    • Volume: 75
    • Issue Number: 2
    • Publisher: New York: Simmons-Boardman Publishing Corp.
    • ISSN: 0732-5460

Subject/Index Terms

Filing Info

  • Accession Number: 00014874
  • Record Type: Publication
  • Source Agency: Engineering Index
  • Files: TRIS
  • Created Date: May 7 1972 12:00AM