| 摘要 |
1532674 Solar heaters M POSNANSKY H LIEBI & W MARBACH 9 Sept 1976 11 Sept 1975 37375/76 Heading F4U A solar heater comprises a parabolic-cylindrical reflector element 1 rotatably mounted in a support frame 2. End plates 7 of the reflector element are provided with pinions 4 in line with the focal axis 10, the pinions engaging respective racks 3 which are movable by a motor 12 through gears 17. A solar sensor 13 comprising two photodiodes separated by a partition controls the motor to direct the reflector element towards the sun. The reflector element 1 comprises either a single reflector 9 or reflector sections 8, Fig. 2, supported in a framework 14-16 and formed of glass provided with a radiation-reflecting film. An absorber 11 is installed along the focal axis 10 for heating a liquid or gaseous medium. |
