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US 2015/0020782 A1Published application
Turbo pump
AssigneeJaguar Land Rover Limited
InventorPhilip Newman
Life of this patent
Estimating the term…
Abstract
An exhaust turbo pump of an internal combustion engine has multiple pairs of turbine and compressor wheels rotatable about a common axis, an inner pair of wheels being connected by a tubular shaft rotatable relative to a spindle connecting an outer pair of wheels. One pair of wheels comprises a turbocharger for inlet air, and another pair of wheels comprises a low pressure EGR pump.
Claims17
1-16. (canceled)
A pump assembly for an internal combustion engine, comprising
- paired turbine and compressor wheels rotatable about a common axis, an inner pair of said wheels being connected by a tubular shaft rotatable relative to a spindle passing through said shaft and connecting an outer pair of said wheels, one of said pairs comprising a turbocharger for an inlet of said engine, and another one of said pairs comprising a pump for exhaust gas re-circulated to said inlet.
An EGR system comprising:
- paired turbine and compressor wheels rotatable about a common axis, an inner pair of said wheels being connected by a tubular shaft rotatable relative to a spindle passing through said shaft and connecting an outer pair of said wheels, one of said pairs comprising a turbocharger for an inlet of said engine, and another one of said pairs comprising a pump for exhaust gas re-circulated to said inlet;
- an exhaust gas return duct;
- and
- a closure valve in the exhaust gas return duct.
1 more element
A vehicle, comprising:
- an internal combustion engine;
- and
- paired turbine and compressor wheels rotatable about a common axis, an inner pair of said wheels being connected by a tubular shaft rotatable relative to a spindle passing through said shaft and connecting an outer pair of said wheels, one of said pairs comprising a turbocharger for an inlet of said engine, and another one of said pairs comprising a pump for exhaust gas re-circulated to said inlet.
Dependencies are inferred from the claim text.