Patent ID: 7931406

Claim:
A sensor-equipped structure of a vehicular-wheel bearing assembly mounted to an outer ring member of the vehicular-wheel bearing assembly, provided with a sensor portion for detecting the rotation of an inner ring member rotatably disposed on a radially inner side of the outer ring member via rolling elements, and a cover formed of metal secured to the outer ring member, the cover having an inner side facing the inner ring member and an outer side facing away from the inner member, wherein the sensor portion includes: a sensor element for magnetically detecting the rotation of the inner ring member in a non-contact manner; a connector on the outer side of the cover for supporting a terminal electrically connected with the sensor element, the terminal extending within the connector to the outer side of the cover; and a capacitor, wherein the sensor portion is molded of a synthetic resin and unified with the cover, wherein the cover has a through hole, the synthetic resin extends from an inner side of the cover through the through hole into the connector at an outer side of the cover, the connector has an inner edge portion having an inner portion fully within the through hole, a circumferential surface of the cover defining the through hole is in contact with the inner portion of the connector fully within the through hole, the synthetic resin encloses and is in contact with a portion of the terminal located within the connector, and the synthetic resin is in contact with an inner surface of the inner side of the cover, and wherein the synthetic resin that extends through the through hole is in contact with the inner portion of the connector fully within the through hole, and is not in contact with the circumferential surface of the cover defining the through hole.