| 摘要 |
An improvement in an air inflation system as shown in the figure for a vehicle of an improved sensor for detecting an air leak including an air flow restriction (42) positioned in the air connection between the air supply (12) and the tires and an air actuated differential pressure switch (44) connected to the air connection upstream and downstream of the flow restriction for actuating a warning indicator (18) when air is being supplied to a tire.
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