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Agence Nationale De Valorisation De La Recherche (Anvar)

Institut Textile De France

Jean Perrin

Jacques Laneres

Michel Leblanc

A device for connecting a general traction cable and a bicycle, particularly applicable to ski-lifts, for hauling uphill bicycles or like machines, and in particular bicycles used for cross-country or off-the-highway cycling, outside the winter season. The device includes a towing part which is connected to the traction cable via an individual traction cable or individual traction bar. A towed part is connected to the bicycle and a safety device is provided for coupling the two towing and towed parts, with automatic connection by engagement of one of these two parts in the other. This coupling device includes, taking into account the effect of a tension regulator device, a disconnecting device operating on the towed part and releasing the cycle when the rider so desires and possibly in an automatic safety mode. The coupling device also includes an automatic disconnection device operating on the towing part and releasing the cycle when it deviates from the normal path or when it falls on the ground.

Device for connection between a traction cable and a bicycle with

A psychrometer or pick-up for measuring the content of water in a gas flow comprises a first sensor or probe for measuring the dry temperature of the gas and is arranged directly in the flow of gas, a second sensor or probe for measuring the wet temperature of the gas and is surrounded by a sheath of a material capable of absorbing a volatile liquid, the second sensor or probe with its sheath also being arranged in the flow of gas, a pair of screens mounted on opposite sides of the second sensor and the sheath for protecting the sheath against thermal radiation, and a wetting device, preferably formed by a dosing pump connected to a nozzle, for injecting successive doses of a predetermined amount of the volatile liquid directly into the interior of the sheath and onto the screens to prevent excessive and insufficient moistening of the sheath and the screens.

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La Chapelle d'Armentieres, France

Jean Perrin