A breathing mechanical power transmission and a pedally propelled vehicle with such power transmission, where the power transmission includes a housing, a first seal, a first axle extending through the first seal and a wall of the housing, wherein the first axle is configured to rotate relative to the housing, and a breather passage configured to release a difference in pressure between the inside and outside of the housing in any three dimensional rotational position of the mechanical power transmission.
BREATHING MECHANICAL POWER TRANSMISSION AND A PEDALLY PROPELLED VEHICLE WITH SUCH POWER TRANSMISSION
2024-11-14
Patent
Electronic Resource
English
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