| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the bearing life and reduce the maintenance cost of a tire by improving lubricating action of a wheel bearing when grounding of an aircraft in a supporting device of a landing wheel. <P>SOLUTION: A one end part of an axle 12 is fixed to a landing support leg 11, and a wheel 15 is rotatably installed in the other end part of an axle 12 through an inside tapered roller bearing 13 and an outside tapered roller bearing 14. A bearing heating device 44 has a structure comprising: an inner side bearing heater 34 and an outer side bearing heater 35 installed to respective tapered roller bearings 13 and 14 in a contact state; a storage battery 41 to be a power sources of these bearing heaters 34 and 35; and a switch device 42 to connect and cut energization to respective bearing heaters 34 and 35 from the storage battery 41. <P>COPYRIGHT: (C)2013,JPO&INPIT |
