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US 12,448,958 B2Granted
Multi-pressure integrated air pump
AssigneeIntex Marketing Ltd.
InventorsZhi Xiong Huang, Ying Biao Zhang, Zheng Wen Lin
Life of this patent
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Abstract
A high and low-pressure integrated air pump includes a single housing including an air inlet and an air outlet. A high-pressure pump is disposed within the housing and in fluid communication with the air inlet, and uses a first outlet passage to discharge to the air outlet. A low-pressure pump is also disposed within the housing and in fluid communication with the air inlet, and uses a second outlet passage to discharge to the air outlet.
Claims12
A high and low-pressure integrated air pump, comprising:
- a housing including an air inlet and an air outlet;
- a high-pressure pump disposed within the housing in fluid communication with the air inlet and the air outlet;
- a first high-pressure check valve separating the high-pressure pump from the air inlet;
- a low-pressure pump disposed within the housing and in fluid communication with the air inlet and the air outlet;
- a first low-pressure check valve separating the low-pressure pump from the air outlet;
- a flow path defined between the first low-pressure check valve and the air outlet which bypasses the high-pressure pump;
- and
- a second high-pressure check valve separating the high-pressure pump from the low-pressure pump.
5 more elements
Dependencies are inferred from the claim text.