| 摘要 |
1. Apparatus for the measurement of the amount of a heat carrier medium flowing in a pipe, especially for use in heat quantity measurers, with a mechanical counter (2), arranged outside of the pipe (9), which has a driving shaft (4), a wheel (10) arranged in the pipe and rotated by the flowing heat carrier medium, a magneto coupling (8) for coupling the wheel with the driving shaft of the counter, characterized by a screening shutter (3), arranged between the pipe (9) and the counter (2), which has a circular opening (16), arranged co-axially to the wheel (10), through which the driving shaft (4) extends co-axially, as well as propeller (5) which is fixed in the opening (16) on the driving shaft (4). |
