摘要:
This disclosure deals with novel screw and nut and nut follower mechanisms involving a plurality of in-line, resiliently mounted, independent nut segments adapted to follow long drive screws for such applications as controlling vehicular lifts and for more general uses, as well.
摘要:
The present disclosures deals with the utilization of a plurality of particles disposed within a transport fluid and each containing either a high heat of fusion material or a high heat of vaporization material bound within an impermeable housing that is nonreactive with the fluid and the said material and that enables the absorption of heat within such particles to the substantial exclusion of the fluid, whereby the fluid may remain at a substantially fixed temperature.