Patent ID: 11908619
Assignee: nan
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  H  F | IPC H

Claim 1:
2. The electromagnetic device according to claim 1, wherein said at least two loop-shaped flexible tapes (3) are represented by two loop-shaped flexible tapes (3); said device further comprising:
two rotatable spacers (4) placed between a surface of the pipeline (2) and the top cover (23); said rotatable spacers (4) provide for changing a distance between the surface (30) of said pipeline (2) and the top cover (23) for fixedly securing said device to the pipeline (2) in cooperation with said two loop-shaped flexible tapes (3); each of the rotatable spacers (4) includes:
(a) a bushing (24) formed of:
an upper hollow cylinder having an upper inner diameter, wherein a left-hand spiral threading is applied to an inner surface of the upper hollow cylinder;
a lower hollow cylinder having a lower inner diameter, wherein a right-hand spiral threading is applied to an inner surface of the lower hollow cylinder;
a middle hollow cylinder having a middle inner diameter, said middle hollow cylinder connects the upper hollow cylinder with the lower hollow cylinder, wherein the middle inner diameter is less than the upper inner diameter and the lower inner diameter;

b) an upper rod (25) having a through axial hole, wherein a left-handed screw thread is applied to an outer surface of the upper hollow rod (25) mating with the left-hand screw thread of the upper hollow cylinder, so that the upper rod (25) is capable of moving vertically relative to the upper hollow cylinder, and a top of the upper hollow cylinder is shaped as a cylindrical segment mating with a surface of the radiating antenna (5); and
c) a lower rod (26) having a through axial hole, wherein a right-hand screw thread is applied to an outer surface of the lower rod (26) mating with the right-hand screw thread of the lower hollow cylinder, so that the lower rod (26) is capable of moving vertically relative to the lower hollow cylinder, and a bottom of the lower hollow cylinder formed as an annular base fixed on the cover (23).