Secondary air feeder for exhaustion of engine

Secondary air feeder for exhaustion of engine

  • CN 1,254,791 A
  • Filed: 11/24/1999
  • Published: 05/31/2000
  • Est. Priority Date: 11/25/1998
  • Status: Abandoned Application
First Claim
Patent Images

1. the secondary air feeder for exhaustion of motor, the cylinder block of this motor (25,25 1, 25 2) cylinder chamber (29,29 1, 29 2) in chimeric slidably piston (31,31 1, 31 2), cylinder head (27,27 1, 27 2) be combined in cylinder block (25,25 1, 25 2) go up and with this piston (31,31 1, 31 2) between form firing chamber (30,30 1, 30 2), in this cylinder head (27,27 1, 27 2) be provided with and eject spontaneous combustion chamber (30,30 1, 30 2) the relief opening (34,34 of exhaust 1, 34 2), also be provided with to flowing through this relief opening (34,34 1, 34 2) the secondary air of exhaust gas feeding secondary air supply with road (110,110 '"'"');

  • It is characterized in that, above-mentioned secondary air is supplied with road (110,110 '"'"') by the 1st passage portion (111,111 '"'"') and the 2nd passage portion (112,112 '"'"') formation, an end of the 1st passage portion (111,111 '"'"') towards the circulating direction downstream side ground of exhaust gas at relief opening (34,34 1, 34 2) the inner face opening, and linearly extension;

    The 2nd passage portion (112,112 '"'"') has axis bending from the 1st passage portion (111,111 '"'"') to cylinder block (25,25 1, 25 2) the straight line shape axis of side, and be communicated with the 1st passage portion (111,111 '"'"');

    In cylinder block (25,25 1, 25 2) the outside on be installed with secondary air supply with the needle spring plate valve that road (110,110 '"'"') is being connected (115 '"'"', 115 1, 115 2).

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