US 9,810,128 B2
Secondary air pump assembly
Andrew Brocker, Brighton, MI (US); and James J. Daley, Jackson, MI (US)
Assigned to FCA US LLC, Auburn Hills, MI (US)
Filed by Andrew Brocker, Brighton, MI (US); and James J. Daley, Jackson, MI (US)
Filed on Aug. 10, 2015, as Appl. No. 14/822,468.
Prior Publication US 2017/0044959 A1, Feb. 16, 2017
Int. Cl. F01N 3/00 (2006.01); F01N 3/32 (2006.01); F02M 35/10 (2006.01); F01N 11/00 (2006.01)
CPC F01N 3/32 (2013.01) [F01N 3/323 (2013.01); F01N 11/00 (2013.01); F02M 35/10144 (2013.01); F02M 35/10222 (2013.01); F01N 2560/025 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A secondary air pump assembly for a vehicle, the assembly comprising:
a housing having an air inlet and an air outlet;
a pump disposed within the housing;
a position assembly disposed within the housing and configured to monitor a speed of the pump, the position assembly comprising a hall-effect sensor and a target wheel having at least one permanent magnet; and
a valve assembly disposed within the housing and configured to facilitate preventing a backflow of air into the housing.
 
5. A secondary air system for a vehicle, the system comprising:
an exhaust manifold configured to be coupled to an engine;
an exhaust gas conduit coupled to the exhaust manifold;
an air intake conduit configured to supply intake air to the engine;
a secondary air intake conduit coupled to the air intake conduit; and
a secondary air pump assembly fluidly coupled to the secondary air intake conduit, the secondary air pump assembly comprising:
a housing having an air inlet and an air outlet;
a pump disposed within the housing;
a position assembly disposed within the housing and configured to monitor a speed of the pump, the position assembly comprising a hall-effect sensor and a target wheel having at least one permanent magnet; and
a valve assembly disposed within the housing and configured to facilitate preventing a backflow into the housing.