×

Pleated filter in the exhaust manifold

  • US 3,937,015 A
  • Filed: 04/30/1974
  • Issued: 02/10/1976
  • Est. Priority Date: 05/03/1973
  • Status: Expired due to Term
First Claim
Patent Images

1. An exhaust gas cleaning device for an internal combustion engine, comprising a casing adapted to be directly attached to the engine and having inlet ports corresponding in number to the number of cylinders of the engine from which exhaust gas is coupled to said device, said device including at least two outlets, said inlet ports each being adapted to be directly connected to a corresponding exhaust port of said cylinder;

  • a tubular filtering element disposed in said casing to divide the space within said casing into two spaces, said filtering element being pleated circumferentially, one of said two spaces being communicated with one of said two outlets and with said inlet ports, the other of said two spaces being communicated with the other of said two outlets and being communicated through said filtering element with said one of the two spaces; and

    means connected to said one of the two outlets for controlling the amount of gas passing through said one of the two outlets.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×