| 摘要 |
Device for the continuous monitoring and remote indication of the prevailing operating condition of internal combustion engines serving preferably as a drive for motor vehicles based on the vacuum pressure occurring in the intake manifold, characterized by the combination of the following features: two Bourdon tubes are used as pressure measuring members, which Bourdon tubes are fastened each with one end rigidly on a common carrier, of which one Bourdon tube is completely closed and consequently is influenced only by outside air pressure, while the other Bourdon tube is connectable to the suction intake manifold of the internal combustion engine; arrangement of a carrier body for a number of contact elements at the free end of the Bourdon tube which is influenced by the outer air pressure, which contact elements by means of electrical lines are to be brought into connection with preferably optical indicator means such as different colored diodes and lamps, respectively; and arrangement of a carrier body for the same number of counter contact elements on the end of the second Bourdon tube which is connectable to the intake manifold pipe of the internal combustion engine, of which the two outer contact elements are connected comparatively fixedly with the end of the Bourdon tube, while on the other hand the middle contact(s) is formed slightly elastically flexible.
|
