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Level sensor e.g. ultrasonic sensor for detecting liquid level in container, has float that is provided with reflecting surface for reflecting ultrasound, and liquid inlet which is arranged below the float
Level sensor e.g. ultrasonic sensor for detecting liquid level in container, has float that is provided with reflecting surface for reflecting ultrasound, and liquid inlet which is arranged below the float
The sensor (1) has ultrasonic transmitter (22), an ultrasonic receiver (23), and float (26). The float is provided with reflecting surface (27) for reflecting ultrasound. A liquid inlet (28) is arranged below the float. Independent claims are included for the following: (1) container; (2) method for determining level of liquid; and (3) fuel cell system.
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