Patent ID: 11959810
Assignee: WIKA ALEXANDER WIEGAND SE & CO. KG
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A protective tube for sealed introduction into a process space having a flow directed in a direction, the protective tube comprising:
a hollow body;
a closed lower end;
an upper end with an opening configured to introduce a temperature sensor; and
a contour formed at the upper end, the contour configured for sealing to a process space,
wherein the hollow body has an outer contour and an inner surface,
wherein the inner surface comprises a cylindrical shape,
wherein at least one section of the outer contour tapers toward the closed lower end,
wherein at least one helix structure is provided, the helix structure being arranged on the outer contour at least in sections or arranged in the outer contour at least in sections,
wherein the outer contour has an upper section devoid of a helix structure,
wherein the upper section is conical or provided with a diameter decreasing toward the closed lower end in a nonlinear continuous manner,
wherein the outer contour has a lower section, wherein the lower section is cylindrical and comprises at least one helix structure,
and wherein the helix structure is arranged on the outer contour or arranged in the outer contour.