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Assignee: Van Doorne's Transmissie B.V.


Location: Tilburg, NL
No. of patents: 113

1      
NumberTitleIssue Date
7431674Continuously variable transmission
Continuously variable transmission provided with a primary pulley and a secondary pulley, around which a drive belt is arranged, clamped between two conical pulley discs of the respective pulley, a running surface of at least one pulley disc of the primary pulley an...
10/07/2008
7367909Drive belt and continuously variable transmission wherein such is utilised
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. The band is curved in a transverse direction at a crow...
05/06/2008
7351172Scratch preventing metal push belt and oil specification
A composite driving belt provided with a carrier and a plurality of transverse elements assembled slidably thereon, the carrier including one or more bands, preferably composed of a plurality of endless metal bands disposed radially around each other, each element b...
04/01/2008
7201689Metal driving belt
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. ...
04/10/2007
7175554Hydraulically controllable constant speed drive and method for the design thereof
A hydraulically controllable constant speed drive, includes an input shaft (10) provided with an input pulley (1), an output shaft (20) provided with an output pulley (2) and a drive belt (3). Each pulley (1; 2) is provided ...
02/13/2007
7169072Metal push belt and oil specification related thereto
A composite driving belt provided with a carrier and a plurality of transverse elements assembled slidably thereon, the carrier including one or more bands, preferably composed of a plurality of endless metal bands disposed radially around each other, each element b...
01/30/2007
7130733Control method for an automatic transmission
Control method for effecting a gear shift in a stepped automatic transmission with an input shaft and an output shaft for transmitting power between two inertia components at distinct speed ratios with a first power transmission path and a second power transmission ...
10/31/2006
7108624Belt
Belt for use in a continuous variable transmission, comprising an endless carrier for taking op tensile forces, and a plurality of transverse elements moveable in the longitudinal direction along the carrier. The elements are provided with at least one saddle surfac...
09/19/2006
7066858Belt
Belt for a continuous variable transmission, comprises an endless carrier for taking up tensile forces, and a plurality of transverse elements moveable in the longitudinal direction along the carrier. The elements are provided with at least one saddle surface for co...
06/27/2006
7066859Belt
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 ...
06/27/2006
7056429Push belt, ring element and method and device for electrochemical machining thereof
Method for deburring and/or rounding a side face of a thin-sheet and annular metal element (1), such as a ring element (1) for use in a push belt for continuously variable transmission, wherein the ring element (1), in a machining step, is recei...
06/06/2006
7029411Driving belt and transverse element for a driving belt
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 incl...
04/18/2006
6926631Continuously variable transmission, endless flexible belt for torque transmission and adjustable pulley
A continuously variable transmission, provided with two adjustable pulleys, each pulley comprising a pair of mutually displaceable essentially frusto-conical pulley sheaves having a radial dimension provided on a pulley shaft, each sheave having a sheave face, where...
08/09/2005
6869376Metal push belt and material therefor
A metal push belt (1) for application in a continuous variable transmission, includes at least one endless tensile member (2), and transverse elements being provided freely moveable in the endless direction of the tensile member (2). The tensile...
03/22/2005
6857980Transverse element having a conical neck portion
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 ...
02/22/2005
6835056Roller vane pump incorporating a bearing bush
Roller vane pump, in particular suited for pumping fluid in a continuously variable automatic transmission of a motor vehicle, provided with a pump housing accommodating a substantially cylindrical carrier, which is rotatable about a central axis, and a cam ring enc...
12/28/2004
6830525Belt
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...
12/14/2004
6824483Control system for continuously variable transmission and continuously variable transmission wherein such is utilized
A control system for a continuously variable transmission and continuously variable transmission wherein such is utilised, includes a drive belt located between pulley discs of a first pulley and of a second pulley, the pulleys being rotatable at a rotational speed ...
11/30/2004
6821224Drive belt, method for manufacturing a continuous band thereof and continuously variable transmission wherein such is utilized
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),...
11/23/2004
6766719Method and apparatus for removing a plurality of die-cutted products from an operating area of a die-cutting apparatus having multiple dies
The invention describes a method and an apparatus removing a plurality of die-cut products from an operating area of a die-cutting apparatus having multiple dies. The die-cut products are simultaneously picked up at a pick-up point in the operating area. Then they a...
07/27/2004
6705963Belt
Belt for use in a continuous variable transmission, including an endless carrier for taking up tensile forces within the belt, and a plurality of transverse elements provided moveable in the longitudinal direction along the carrier, the elements provided with at lea...
03/16/2004
6699025Roller vane pump
A roller vane pump, in particular suited for pumping fluid in a continuously variable automatic transmission of a motor vehicle, is provided with a pump housing (12) accommodating a carrier (4) rotatable around a central axis (4a) of the carrier in a dire...
03/02/2004
6695732Metal push belt and oil specification related thereto
A composite driving belt provided with a carrier and a plurality of transverse elements assembled slidably thereon, the carrier including one or more bands, preferably composed of a plurality of endless metal bands disposed radially around each other, eac...
02/24/2004
6676553Driving belt and transverse element for a driving belt
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 ...
01/13/2004
6652399Continuously variable transmission
A continuously variable transmission includes a set of pulleys mounted on respective pulley shafts (35, 36) and mounted with an endless transmission element for transmitting rotational movement from one pulley to the other, whereby the pulleys are incorpo...
11/25/2003
6626781Continuously variable transmission having lubrication nozzle outputs at maximum power transmitting secondary radial belt position
A continuously variable transmission (1) includes a rotatable drive pulley (2) and a driven pulley (5), each of which having an axially displaceable sheave (4, 6) for transmission ratio control by varying the running radii of a torque transmission belt (8...
09/30/2003
6612949Continuously variable transmission and control method therefor
A continuous variable transmission includes a pair of pulleys forming V-shaped grooves for receiving an endless transmission element for transmitting torque between the pulleys. Each pulley includes at least one axially movable sheave which may be urged a...
09/02/2003
6524220Continuously variable transmission having a variable transmission ratio coverage
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 ra...
02/25/2003
6517455Continuously variable transmission with an electro-hydraulic control system and method for operating such transmission
Continuously variable transmission provided with a first pulley having two pulley discs, with a second pulley having two pulley discs and with a drive belt wound around the pulleys for transmitting torque therebetween, at least one disc of the first pulle...
02/11/2003
6503166Vehicle drive assembly
A drive assembly for operatively connecting at least one drive input unit and at least one drive output unit in a motorized vehicle, including a transmission unit, with an epicyclic gearing operatively arranged in parallel to the transmission unit, one ro...
01/07/2003
6468174Drive belt and transmission wherein such is used
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 longitud...
10/22/2002
6464606Drive belt for a continuously variable transmission, continuous band thereof and method of producing such a continuous band
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 ...
10/15/2002
6412617Continuously variable transmission having a continuously slipping clutch
A continuously variable transmission (1) is provided with: an endless transmission (14) for transmitting a driving torque; a clamping force (13-1, 13-2) coupled with the endless transmission (14) for applying a clamping force thereon; a controller (15) co...
07/02/2002
6375445Roller vane pump having a partly curved vane slot
The invention relates to a roller vane pump for operating an automatic transmission for motor vehicles. The pump is provided with a pump housing (12), a rotor (4), a cam ring (2) and roller elements (7), which define a number of pump chambers (13). Fluid ...
04/23/2002
6334831Drive belt, transverse element therefor and transmission in which this is used
Drive belt (10) for a continuously variable transmission, as for use in motor vehicles, having transverse elements (20) and at least one endless carrier. The transverse elements (20) are each provided with a recess (21), which extends between a first and ...
01/01/2002
6312243Roller vane pump having straight line segments on the rotor
The invention relates to a roller vane pump for operating an automatic transmission for motor vehicles. The pump is provided with a pump housing (12), a rotor (4), a cam ring (2) and roller elements (7), which define a number of pump chambers (13). Fluid ...
11/06/2001
6280357Continuously variable transmission
A continuously variable transmission is provided with an adjustable pulley assembly including two sheaves on a pulley shaft, at least one sheave is axially movable with respect to the pulley shaft by a hydraulically operated movement, the movement include...
08/28/2001
6238313Drive belt
A drive belt for use in a continuously variable transmission includes a plurality of transverse elements carried by at least one endless carrier with at least one endless band, received in a receiving shot provided for the band in the element, the slot al...
05/29/2001
6217471Metal belt and method for producing such
A drive belt for a continuous variable transmission includes at least one endless metal band, preferably provided in a set of nested bands, at least partly being surrounded by transverse elements for at least clamping the belt in between the sheaves of a ...
04/17/2001
6196806Continuously variable transmission
Continuously variable transmission having a hydraulically adjustable transmission ratio, includes a hydraulic circuit that interacts with a reservoir, at least two pumps for pumping hydraulic medium from the reservoir to an outflow channel and adjustor wh...
03/06/2001
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