×

Diesel engine exhaust regenerable filter system

  • US 5,388,400 A
  • Filed: 12/30/1992
  • Issued: 02/14/1995
  • Est. Priority Date: 12/30/1992
  • Status: Expired due to Term
First Claim
Patent Images

1. An exhaust filter system for a vehicle with a diesel engine, comprising:

  • a trap device including a filter installed in a housing, said trap device being mounted on said vehicle, said trap device for removing particulates from exhaust gases of said engine;

    a regeneration arrangement for said trap device, said regeneration arrangement including a heater in close proximity to said filter in said housing, said arrangement further including means separate from said vehicle for providing electrical power to said heater for regeneration of said filter and means separate from said vehicle for providing combustion air for regeneration; and

    means mounted on said vehicle for controlling said regeneration arrangement, said electrical power providing means including power source means and first means for connecting to one another said controlling means and said heater to said power source means, said power source means including transformer means for powering said heater and switching means for controlling said transformer means, said first connecting means including first and second mating members, said first member having a pair of first sockets in electrical continuity with said transformer means and a first plug in electrical continuity with said switching means, said second member having a pair of second plugs in electrical continuity with said heater and a second socket in electrical continuity with said controlling means.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×