Air cleaner for motor vehicles operating in extreme weather conditions
AssigneeFord Global Technologies, LLC
InventorsThanh Pham, Joseph Matthew McCann, Giriraj Srinivasan, Roger Khami, Michael Marvin Landgraf, Thomas Eric Svenson, William C. Ronzi
Life of this patent
Estimating the term…
Abstract
A motor-vehicle air cleaner comprises the filter assembly, an air-cleaner housing configured to fittably and removably accommodate the filter assembly and to enclose the main filter and the auxiliary filter separately when the filter assembly is accommodated in the air-cleaner housing. The motor-vehicle air cleaner further comprises a flow restrictor configured to restrict air flow to the auxiliary filter.
Claims19
An air cleaner configured to provide clean intake air for a motor vehicle, comprising:
- a filter assembly including a main filter, an auxiliary filter set apart from the main filter, and a filter mount fixed to and configured to support the main filter and the auxiliary filter;
- an air-cleaner housing configured to fittably and removably accommodate the filter assembly and to enclose the main filter and the auxiliary filter separately when the filter assembly is installed therein;
- and
- a flow restrictor configured to restrict air flow to the auxiliary filter and to allow sufficient air flow through the auxiliary filter to sustain combustion in an engine of the motor vehicle when the main filter is clogged.
An air cleaner configured to provide clean intake air for a motor vehicle, comprising:
- a filter assembly including a main filter, an auxiliary filter set apart from the main filter, and a filter mount fixed to and configured to support the main filter and the auxiliary filter, and comprising a first sealing element passing between the main filter and the auxiliary filter;
- an air-cleaner housing including a second sealing element complementary to the first sealing element, the air-cleaner housing configured to fittably and removably accommodate the filter assembly and to enclose the main filter and the auxiliary filter separately when the filter assembly is installed therein;
- and
- a flow restrictor configured to restrict air flow to the auxiliary filter and to allow sufficient air flow through the auxiliary filter to sustain combustion in an engine of the motor vehicle when the main filter is clogged.
An air cleaner configured to provide clean intake air for a motor vehicle, comprising:
- a filter assembly including a main filter, an auxiliary filter set apart from the main filter, and a filter mount fixed to and configured to support the main filter and the auxiliary filter, and comprising a first groove passing between the main filter and the auxiliary filter;
- an air-cleaner housing configured to fittably and removably accommodate the filter assembly and to enclose the main filter and the auxiliary filter separately when the filter assembly is accommodated in the air-cleaner housing, the air-cleaner housing comprising a dividing wall sealably mating to the first groove, where receipt of the dividing wall in the first groove forms a substantially air-tight seal dividing the main filter from the auxiliary filter;
- and
- a foam monolith configured to restrict air flow to the auxiliary filter to allow sufficient air flow through the auxiliary filter to sustain combustion in an engine of the motor vehicle when the main filter is clogged.
Dependencies are inferred from the claim text.