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| Number | Title | Issue Date |
| 4562866 | Lower power electromagnetically controlled fluid operating valve A small low power electromagnetic valve is provided using valving means for providing pneumatic switching. Two orifices connected respectively to the pressure and to the discharge side are alternately closed by a first valving means carried by the plunger... | 01/07/1986 |
| 4557292 | System for distributing pneumatic control signals by electrical means Stage for a system for distributing pneumatic control signals by electrical means, comprising a large number of associated stages. Each stage comprises a removable electrical valve (141) having an electro-magnet (33) of very low power, and a fixed socket ... | 12/10/1985 |
| 4402254 | Pneumatic starter device A progressive pneumatic starter device delivers at its outlet an increasing pressure of low flow rate, then a working pressure at a high flow rate. The starter device is provided with a distributor member adapted to connect, in parallel with a calibrated ... | 09/06/1983 |
| 4347864 | Auxiliary control device for pneumatic distributor In an auxiliary control device for a pneumatic distributor the improvement is the integration, in a housing of the body of the distributor closed by a stopper, of a commutator sub-assembly placed on each control channel, thereby making it possible to obta... | 09/07/1982 |
| 4245673 | Pneumatic logic circuit A sequencing logic circuit comprises a blocking means for preventing phase jumps caused by the untimely presence of a release signal. An inhibitor device is placed on one of the channels feeding a storage relay, placed upstream of said release signal, in ... | 01/20/1981 |
| 4205700 | Control circuit for pneumatic phase The invention provides the functional reliability of an automatic device, constituted by the association of phase cells comprising, for each phase, a pneumatic AND gate and bistable memory, which is ensured by the interposition of a threshold relay betwee... | 06/03/1980 |
| 3980324 | Swivelling coupling for fluid This coupling comprises a rotary cylindrical portion which is recessed and an outlet opening whose lower edge is placed level with the lowest point of a surface which is inclined relative to the rotation axis, whereby the said surface is placed adjacent t... | 09/14/1976 |
