Internal-combustion engines – Charge forming device – Exhaust gas used with the combustible mixture
Patent
1997-09-03
1999-05-11
Dolinar, Andrew M.
Internal-combustion engines
Charge forming device
Exhaust gas used with the combustible mixture
25112918, F02B47/08
Patent
active
059016906
ABSTRACT:
An automotive emission control valve including a body having an internal main flow passage between a first port and a second port, a valve seat circumscribing a transverse cross-sectional area of the passage, a valve member including a non-flow-through valve head, an electromagnetic actuator providing a magnetic circuit path that includes an armature for operating the valve member to selectively seat and unseat the valve head on and from the valve seat. The armature comprising a unitary ferromagnetic member having an axial end which contains a walled hole that extends interiorly of the ferromagnetic member and ends at a surface of a transverse wall of the ferromagnetic member. The valve member including a valve stem having a free distal end. The valve further including a locator which is joined to the free distal end of the valve stem. The locator bearing against the surface of the transverse wall.
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Hussey Scott E. W.
Tamman Allan
Castro Arnold
Dolinar Andrew M.
Siemens Canada Limited
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