The system comprises at least two geosynchronous satellites (S-A, S-B) having the same elliptical orbit and the same trace on the ground. The longitudes of ascending node are displaced. The moving bodies have a vertically pointed fixed antenna. The system operates for 24 hours continuously with one or other of the satellites.

Cooking utensils are coated with a non-stick layer by plasma spraying with several hard coatings made of different hard material powder whose grain size increases away from the surface of the utensil. The hard layers are then coated with non-stick layers.

In an arrangement for controlling and diagnosing the charge level of batteries 10, 11 in a stand by power supply system, switches 8, 9, 12, 13 may be operated by a microprocessor control circuit 7 of a control and diagnosis circuit 6 whereby to connect individual batteries in turn, e.g battery 11 as shown, to a circuit 14 for both charging and discharging purposes. Each battery is diagnosed during...

The invention provides a centrifugal sealing member for preventing leakage between a rotating member and a stationary member with an outer cylindrical surface of circular cross-section, said sealing member comprising an annular member and an annular engag

In a water heater (1) which is heated indirectly by heating water, by regulation of the throughput of the heating water depending upon the load state, a limitation of the outlet temperature of the heating water, an indirect regulation of the hot service water temperature and outside the heating period (summer period) and outside the loading time a limitation of the cooling of the heating water in ...

The adapter is so shaped that a tool can be fitted over its exterior, and also has a hollow interior formed so that a tool may fit inside it. - The tool part fitted inside the adapter is retained by a spring.

In a first condition, the two halves (2,3) are joined together by connectors to define a closed storage space. In a second condition, they are sepd., with at least the one halt (3) working in conjunction with one or more supports (10), which are housed in the stage space in the first condition. - In this second configuration, the one half forms a roof supported by the supports at a specific level ...

Gripping device, intended to be releasably fastened to a car belt 6 between the upper fastening point or break point 4 in a vehicle and a part 5 of the lock for the belt, which part is fixed to the belt, at an angle to the belt and comprising a handle section 1 and a fastening section 7, configured in one piece. The innovative aspect of the invention is that the gripping device is produced from di...

A packaging and dispensing system provides for separate packaging of two ingredients of which at least one is a liquid and for extemporaneous mixing of the two ingredients at the time of first use. The system comprises a first bottle (2) containing the liquid or solid first ingredient and the neck of which is stoppered by a plug (5, 8). It further comprises a second bottle (9) containing the liqui...