A tire inflation valve having anti-rotation features has an external valve seat, and includes a valve body, a valve stem extending through the length of the valve body, and anti-rotation features disposed interior to the valve body. The valve stem is configured to move relative to the valve body, such that a resilient seating surface disposed at a proximal end of the valve stem is displaced relative to a valve seat formed by an exterior surface of a proximal end of the valve body. The anti-rotation features may include a complementary slot and protrusion, a keyway and complementary protruding ridge, and/or complementary channels and lateral protrusions.

A valve stem includes: a pair of internal electrodes connected to an internal circuit; a pair of external electrodes connectable to an external circuit; first and second conductive members having the internal electrodes and the external electrodes and insulated from each other; a conductive stem main body forming the first conductive member; a core fitting portion; and an inner sleeve fitted in the stem main body. The inner sleeve includes a conductive inner sleeve main body forming the second conductive member, and an insulating layer covering an outer side surface of the inner sleeve main body to insulate between the inner sleeve main body and the stem main body. The stem main body has a side surface through-hole laterally penetrating the stem main body and closed with an end portion of the inner sleeve, the side surface through-hole providing the external electrode of the second conductive member.

An inflation pump connector includes a housing a sliding groove extending along a longitudinal axis and a pressing device slidably received in the sliding groove. The pressing device includes an airtight ring and a clamping member. The clamping member includes a base and a first claw. The first claw includes a first clamping arm, a first pressing portion, a second clamping arm, and a first hollow portion. The first clamping arm is connected to the base. The first pressing portion is connected to an end of the first clamping arm opposite to the base. The second clamping aim is connected to the first pressing portion. The first hollow portion is disposed between the first clamping arm and the second clamping arm. The first pressing portion is movable towards the longitudinal axis and to squeeze and deform the airtight ring.

A wheel valve assembly having a body portion coupled with a cover portion. A diaphragm disposed between the body portion and the cover portion. A first biasing member disposed between the cover portion and the diaphragm in a cover cavity defined thereby. A control cavity defined by the body portion and the diaphragm, and at least one control port defined by the body portion and in fluid communication with the control cavity. A tire port defined by the body portion and in selective fluid communication with the control cavity. A first and second conduit disposed in the body portion in fluid communication with a third and fourth conduit disposed in the cover portion. An equalization valve assembly disposed in one of the conduits to control fluid communication between the cover cavity and the control cavity.

A joint contains: a body, at least one locking block, at least one controller, and at least one resilient element. The body has an inlet segment, an outlet segment, an air channel, wherein the outlet segment has a connection orifice. Each locking block has a tooth and a driving portion, the tooth is controlled to move between a first position and a second position, and between the first position and the second position is defined a reverse driving travel obliquely extending to the inlet segment. Said each locking block also has a coupling shaft, wherein the reverse driving travel is arcuate, and the tooth, the driving portion, and the coupling shaft are opposite to one another. Each element urges the tooth to move to the first position and is pressed so that the tooth moves to the second position along the reverse driving travel.

A valve stem having a hollow tube and a compression sleeve mounted to the hollow tube; wherein the hollow tube and compression sleeve are partially insertable through a container wall opening from an exterior side of the container wall through to an interior side of the container wall, and a mechanism accessible from the exterior side of the container wall to compress the compression sleeve against the interior side of the container wall.

An assembly for a tire pressure management system includes a housing. The housing includes a first branch and a second branch. The second branch is oriented at an oblique angle with respect to the first branch. The first branch and the second branch are in fluid communication with each other and a main branch. The main branch is rotatable with respect to the first branch. A valve assembly is housed within the first branch. The valve assembly provides selective fluid communication between a portion of the tire pressure management system and the main branch. A pressure relief valve assembly is housed within the second branch. The pressure relief valve assembly provides selective fluid communication between the assembly and the atmosphere.

An air maintenance tire system component protector is provided. An air maintenance tire system includes at least one connecting tube extending between and being in fluid communication with an annular air tube and a valve housing. The protector includes a first end disposed proximate the connection of the at least one connecting tube to the annular tube, and a second end disposed proximate the valve housing. A mid-portion of the protector is disposed between the first and second ends. The protector covers an outboard surface of the at least one connecting tube and the valve housing, and includes means for engaging the at least one connecting tube to secure the position of the tube.

Provided is a tire information acquisition device. A sensor unit substrate on which a sensor for acquiring tire information and a power supply unit for supplying electric power to the sensor are disposed is provided, and a heat-insulating material is disposed at at least a periphery of the power supply unit.

A pneumatic valve adapter that couples with a valve stem of a bicycle tire is provided. The valve adapter comprises a cap, a seal, a biasing member, and a sealing member. The cap includes a pin passage and a circumferential concavity on an outer diameter. The receiver is coupled to the cap and is couplable with the valve stem, the receiver having a first opening that is fluidly coupled to a central passage. The seal has a circular shape and cross-section, the seal is disposed between the cap and the end of the receiver, the seal having a second hole that fluidly couples the first opening and the pin passage. The biasing member is disposed in the central passage. The sealing member is disposed within the central passage and biased against the seal by the biasing member, the sealing member being movable between a first position and a second position.