Abstract: The present invention is a transverse element for a drive belt for a continuously variable transmission. The drive belt includes two endless carriers, wherein transverse elements are continuously arranged along the entire length of the carriers. The transverse elements are on both sides provided with recesses for at least partially receiving the carriers. Furthermore, the transverse elements include supporting surfaces for supporting the carriers, as well as pulley sheave contact surfaces for the purpose of contact between the transverse elements and pulley sheaves of the continuously variable transmission. A convex transition region which has two parts having different curvature radii is situated between a supporting surface and a pulley sheave contact surface, wherein a first curvature radius of a first part at the side of the supporting surface is larger than a second curvature radius of a second part at the side of the pulley sheave contact surface.

Abstract: Drive belt provided with a continuous band having a radially inwardly oriented surface and a radially outwardly oriented surface, and with an array of plate-like transverse elements engaging the continuous band.

Abstract: Driving belt provided with an enclosed tension element and metal transverse elements accommodated so as to be movable in a longitudinal direction along the tension element. The transverse elements each comprise a body part, a head part and a neck part therebetween. On either side of the neck part between the body part and the head part two axially oriented openings are present, for accommodating in each a part of the tension element. The body part includes side contact surfaces oriented substantially in an axial direction and diverging from each other in the radial direction, and with a substantially axially oriented tilting line and in which an upper limit of an opening formed by the head part extends in the axial direction at least to an imaginary line, which extends from the radially lower limit to the radially upper limit of the respective opening in line with a contact surface.

Abstract: A continuous variable transmission belt includes a set of nested metal rings, the set interacting with transverse elements provided slidably along the set, and the rings of the set being accommodated with small mutual play between each pair of adjacent rings, where for at least the majority of the pairs of adjacent rings the nominal value of the play is zero. The innermost and outermost rings having an elasticity modulus significantly lower than the intermediate rings.

Abstract: A driving belt for use in a continuously variable transmission comprising two V-shaped pulleys, which driving belt comprises a carrier consisting of two endless band packages lying side by side, on which transverse elements are disposed. Each transverse element includes two recesses positioned opposite each other for receiving the band packages, wherein a part of the transverse element is positioned between said band packages. The front side of the transverse element includes a projection, which can mate with a recess in the adjacent transverse element. Said projection and said recess are at least partially formed in the aforesaid part of the transverse element.

Abstract: Drive belt provided with a continuous band having a radially inwardly oriented surface and a radially outwardly oriented surface, and with an array of plate-like transverse elements engaging the continuous band.

Abstract: A transverse element for a drive belt for a continuously variable transmission is disclosed. The drive belt comprises two endless carriers, wherein transverse elements are continuously arranged along the entire length of the carriers. The transverse elements are on both sides provided with recesses for at least partially receiving the carriers. A portion of the inner surface of a recess constitutes a supporting surface for supporting a carrier. The supporting surface is connected to a side surface of a neck portion of the transverse element, through a lower transition region. The neck portion comprises the portion of the transverse element being situated between the recesses. The neck portion tapers in the direction of the supporting surfaces.

Abstract: The present invention relates to a belt for use in a continuously variable transmission, in particular for automotive application, comprising at least one set (7) of nested metal rings, the set interacting with transverse elements (3) provided slidably along the set, and the rings of the set being accommodated with small mutual play between each pair of adjacent rings, characterized in, that for at least the majority of said pairs of adjacent rings the nominal value of said play is zero.

Abstract: A drive belt (1) includes at least one continuous band (22) engaged with a number of (plate-like) transverse elements (30) such that the elements (30) may slide freely along a longitudinal direction (L) of the continuous band (22), whereby the elements (30) are provided with a taper (31) allowing mutual rotation of adjacent transverse elements (30) about a transversely oriented axis (32) thereby defining a minimum radius of curvature (RMIN) at which the drive belt (1) may be bent in its longitudinal direction (L) and whereby the continuous band (22) is provided with an internal residual stress distribution conforming to a longitudinally bent posture having a pre-bending radius (RPB), characterized in that, the pre-bending radius (RPB) of the at least one continuous band (22) is considerably larger than twice the minimum radius of curvature (RMIN).

Abstract: Driving belt provided with an enclosed tension element (2) and also with metal transverse elements (1) accommodated so as to be movable in a longitudinal direction along the tension element (2), which transverse elements are each designed with a body part (10), a head part (12) and a neck part (11) between the latter two parts, on either side of the neck part (11) between the body part (10) and the head part (12) two axially oriented openings (17) being present, in each of which openings a part of the tension element (2) is accommodated, the body part (10) being provided on either side with contact surfaces (13) oriented substantially in an axial direction and diverging from each other in the radial direction, and with a substantially axially oriented tilting line (14) and in which an upper limit (16) of an opening (17) formed by the head part (12) extends in the axial direction at least to an imaginary line (18), which extends from the radially lower limit (19) to the radially upper limit (16) of the respect

Abstract: The present invention is a transverse element for a drive belt for a continuously variable transmission. The drive belt includes two endless carriers, wherein transverse elements are continuously arranged along the entire length of the carriers. The transverse elements are on both sides provided with recesses for at least partially receiving the carriers. Furthermore, the transverse elements include supporting surfaces for supporting the carriers, as well as pulley sheave contact surfaces for the purpose of contact between the transverse elements and pulley sheaves of the continuously variable transmission. A convex transition region which has two parts having different curvature radii is situated between a supporting surface and a pulley sheave contact surface, wherein a first curvature radius of a first part at the side of the supporting surface is larger than a second curvature radius of a second part at the side of the pulley sheave contact surface.

Abstract: A driving belt for use in a continuously variable transmission includes two V-shaped pulleys. The driving belt includes a carrier of two endless band packages lying side by side, on which transverse elements are disposed. Each transverse element includes two recesses positioned opposite each other for receiving the band packages, so that a part of the transverse element is positioned between the band packages. Each recess includes an inside surface facing towards the band package, wherein the portion of the inside surface that is formed by the aforesaid part of the transverse element includes an acute angle, near the underside of the band packages, with the plane in which the band packages lie.

Abstract: A continuously variable transmission includes a primary pulley, a secondary pulley, a drive belt wrapped around the pulleys at a variable radial position between discs of each pulley and a transmission control part for controlling a transmission torque ratio between a maximum and a minimum value (Rmax, Rmin), whose quotient defines a transmission ratio coverage, which is variable in dependence on the rotational speed of the primary pulley.

Abstract: A transverse element for a drive belt for a continuously variable transmission is disclosed. The drive belt comprises two endless carriers, wherein transverse elements are continuously arranged along the entire length of the carriers. The transverse elements are on both sides provided with recesses for at least partially receiving the carriers. A portion of the inner surface of a recess constitutes a supporting surface for supporting a carrier. The supporting surface is connected to a side surface of a neck portion of the transverse element, through a lower transition region. Said neck portion comprises the portion of the transverse element being situated between the recesses. The neck portion tapers in the direction of the supporting surfaces.

Abstract: Drive belt for a continuously variable transmission, in particular for motor vehicles, includes at least one continuous band slidably supported by a number of cross elements each having two principle faces oriented substantially transverse to the longitudinal direction of the drive belt, the cross elements having a width B and a specific weight &rgr;. The parameters of the width B and the specific weight &rgr; satisfy the expression B2·&rgr;≦10.

Abstract: A drive belt for a transmission realizing a continuously adjustable transmission ratio comprising at least one continuous band having a part, which, when in a longitudinally stretched state, shows a curvature in a direction transverse to the longitudinal direction of the drive belt (1), said curvature being of a generally arc-like shape having a stretched band radius RSB, associated with a number of cross elements, each having a contact face for interacting with a principal face of the continuous band and provided with a transverse convex curvature of a generally arc-like shape having a face radius RS. The inverse value of the face radius RS minus the inverse value (1/RSB) of the stretched band radius RSB is notionally larger than −5 m−1, preferably larger than −3.5 m−1.

Abstract: A driving belt for use in a continuously variable transmission comprising two V-shaped pulleys. The driving belt comprises a carrier consisting of two endless band packages lying side by side, on which transverse elements are disposed. Each transverse element includes two recesses positioned opposite each other for receiving the band packages, so that a part of the transverse element is positioned between said band packages. Each recess includes an inside surface facing towards the band package, wherein the portion of the inside surface that is formed by the aforesaid part of the transverse element includes an acute angle, near the underside of the band packages, with the plane in which the band packages lie.

Abstract: A driving belt for use in a continuously variable transmission comprising two V-shaped pulleys, which driving belt comprises a carrier consisting of two endless band packages lying side by side, on which transverse elements are disposed. Each transverse element includes two recesses positioned opposite each other for receiving the band packages, wherein a part of the transverse element is positioned between said band packages. The front side of the transverse element includes a projection, which can mate with a recess in the adjacent transverse element. Said projection and said recess are at least partially formed in the aforesaid part of the transverse element.

Abstract: Described is a continuously variable transmission (1) comprising: a primary pulley (2); a secondary pulley (3), whereby a drive belt (14) is wrapped around said pulleys (2, 3) at a variable radial position between discs of each pulley (2, 3) and a transmission control means (13) for controlling a transmission torque ratio between a maximum and a minimum value (Rmax, Rmin), whose quotient defines a transmission ratio coverage, which is variable in dependence on the rotational speed of the primary pulley instead of being fixed as in the prior art.

Abstract: The invention relates to a drive belt (1) for a transmission realizing a continuously adjustable transmission ratio comprising at least one continuous band (20) having a part, which, when in a longitudinally stretched state (cross section A-A), shows a curvature in a direction transverse to the longitudinal direction of the drive belt (1), said curvature being of a generally arc-like shape having a stretched band radius RSB, associated with a number of cross elements (30), each having a contact face (31) for interacting with a principle face (24) of the continuous band (20) and provided with a transverse convex curvature of a generally arc-like shape having a face radius RS. The inverse value (1/RS) of the face radius RS minus the inverse value (1/RSB) of the stretched band radius RSB is notionally larger than -5 [m−1], preferably larger than −3.5 [m−1].