Systems and methods for a heat-insulated wheel are disclosed herein. A wheel may comprise a wheel body comprising an outer diameter surface, an inner rim on an inboard side of the wheel body, an outer rim on an outboard side of the wheel body opposite the inner rim, and a heat insulator coupled to the outer diameter surface between the inner rim and the outer rim.

The invention relates to a wheel for a powered two-wheeler, in particular a motorcycle or a motor scooter, that is at least sectionally made of a fiber-reinforced plastic material. A hub area (12) of the wheel (IO) is provided with two rigid, self-supporting, metal inserts (18, 20), which are arranged on axially opposite sides of the hub area (12), and which in an axial and radial direction (A, r) are connected to one another in a form-fit manner.

A bicycle component comprises a base member and a first alumite layer. The base member is made of an aluminum alloy. The first alumite layer is provided on the base member. The first alumite layer has a thickness that is equal to or larger than 1.0 μm.

A fiber-reinforced composite wheel for a road vehicle includes a rim and a mount integrally joined to the barrel by spokes, wherein the wheel includes a continuous ply of reinforcing fiber fabric extending through a first spoke, through at least a portion of the mount, and through another spoke of the wheel to provide improved strength, durability and integrity to the wheel.

A composite material body (10) includes a first material layer (20) and a second material layer (30) overlapping the first material layer (20). The first material layer (20) and the second material layer (30) are wound to form a flexible and circular rod. Impact absorption is effectively improved and impact resisting strength is enhanced because energy-absorber or damping material or its composition is attached into the composite material body (10). Technical characteristics, effects and objects of this invention are achieved thereby.

A wheel for supporting tires for vehicles which is made of composite material based on carbon fiber, which includes an insert which is made of metallic material at its central region configured to be fixed to the hub of the respective vehicle. The insert is coupled between external contoured laminated shells made of composite material, with the interposition of at least one interface film having a thickness that can vary between 0.05 mm and 1.0 mm. The interface film is made of a material preferably chosen from among epoxy polymers, polyurethane polymers, acrylic polymers, silicone polymers, polyamide polymers, glass fibers, and combinations thereof.

The invention relates to a stable one piece wheel, which is particularly suitable for cycles having an increased system weight such as electrically powered bicycles or cargo bikes, and a method producing said vehicle wheel. Said vehicle wheel comprises an annular portion (110), a plurality of spokes (120) and a hub portion (130) integrally formed by mould injection of fibre reinforced or carbo nano tubes containing thermoplastic, wherein each of the plurality of spokes (120) comprise a substantially Z-shaped cross section with a middle leg (122) and a pair of outer legs (121, 123), wherein the angle (γ) enclosed by each of the pair of outer legs and the middle leg is greater than a right angle and wherein the length of the middle leg (122) increases from the annular portion (110) toward the hub portion (130).

A wheel includes a spoke having a mounting hole that extends in a radial direction, and a first through hole that extends in an axial direction and that is in spatial communication with the mounting hole. The wheel includes a rim having a second through hole that is aligned with the mounting hole. The wheel further includes a connecting unit connecting the spoke with the rim. The connecting unit includes a rod extending through the second through hole into the mounting hole and having an engaging hole that is aligned with the first through hole. The connecting unit further includes a fastener extending through the first through hole into the engaging hole and engaging with the engaging hole.

A rim portion of a composite wheel comprises a shaped annulus formed about a central axis of rotation of the composite wheel and having a circumferential axis extending circumferentially about the central axis and around the rim portion, said rim portion having a fibre layup comprising a stacked laminate formed from alternating layers of: a hoop tow layer comprising elongate fibre tow in which the fibres are substantially aligned with the circumferential axis of the rim portion, the hoop tow layer being formed from at least one annularly wound elongate fibre tow; and a bias ply layer comprising at least one fibre ply in which the fibres are substantially orientated at an angle of +Θ or −Θ to the circumferential axis of the rim portion, wherein Θ is from 26° to 40°.

A method for providing motor vehicle wheels made of composite material based on carbon fiber includes the steps of dividing each wheel into a plurality of portions having small dimensions; providing a a first portion with the terminal edges designed to mate with corresponding edges of a respective second portion; mating the portions, arranging them subsequently within a respective mold whose shape and dimensions are conjugate with respect to those of the wheel to be manufactured; and bringing the mold and its contents to a predefined temperature. The method further includes injecting into the mold a resin in the liquid state, the resin being injected at high pressure and high temperature, forming the matrix of the composite that constitutes the wheel; maintaining the pressure and temperature of the mold within predefined ranges for a time interval that is required for the at least partial cross-linking of the resin; and extracting the wheel from the mold.