Arrangement comprising a wheel and a device for filling or deflating a tire of a vehicle, especially of a tractor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 22, 2003
Grant Date -
Apr 11, 2002
app pub date -
Sep 12, 2001
filing date -
Sep 12, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A wheel 1 for a tractor has a wheel rim 2 and a wheel center member 3 to connect to a wheel flange of the tractor. Furthermore, a device 8 is provided to fill or deflate a tire mounted on the wheel 1. This device has a housing 14 fixed to the wheel center member 3. The housing 14 rotates with the center member. An inner member 21 is supported in this housing 14. An annular chamber 25 is formed between the two. The annular chamber 25 is formed between the two. The annular chamber 25 is connected, via a pipe 12, to a first connecting port 10, on the wheel rim 2, and to a second connecting port 11, coupled with a valve 9. Furthermore, the annular chamber 25 is connectable, via a third connecting port 29 and via a main valve 30, to a compressed air generator or compressor.
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