Strain amount detection device, and tire
AssigneeHitachi Astemo, Ltd.
InventorsKenji Yoshihara, Hiroyuki Abe, Tsukasa Takahashi, Takeo Hosokawa
Life of this patent
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Abstract
An object of the present invention is to provide a strain amount detection device capable of accurately detecting deformations, in multiple directions, of a tire by one strain measuring element. A strain amount detection device according to the present invention includes a disk-shaped base member that holds a strain measuring element, in which the base member acts as a strain body by transmitting strain of a tire to the strain measuring element.
Claims7
A strain amount detection device that detects a strain amount of a tire, the strain amount detection device comprising:
- a strain measuring element that detects strain of a strain body;
- and
- a base member that holds the strain measuring element,
- wherein the base member has a disk shape, shape, and
- wherein the base member acts as the strain body by transmitting strain of an inner wall surface of the tire to the strain measuring element, and
- wherein with a cutout provided in a circumferential portion of the disk shape, the strain measuring element is configured such that, as compared with strain detection accuracy in a first direction from a center of the strain measuring element toward the cutout, strain detection accuracy in a second direction from the center of the strain measuring element toward a direction in which the cutout is not formed is higher.
A strain amount detection device that detects a strain amount of a tire, the strain amount detection device comprising:
- a strain measuring element that detects strain of a strain body;
- and
- a base member that holds the strain measuring element,
- wherein the base member has a disk shape,
- wherein the base member acts as the strain body by transmitting strain of an inner wall surface of the tire to the strain measuring element, and
- wherein with a part of a circumferential portion of the disk shape having a protruding portion that protrudes along a radial direction, the strain measuring element is configured such that, as compared with strain detection accuracy in a first direction from a center of the strain measuring element toward the protruding portion, strain detection accuracy in a second direction from the center of the strain measuring element toward a direction in which the protruding portion is not formed is lower.
Dependencies are inferred from the claim text.