System for metering liquefied gas

Claim 1

A METER DEVICE FOR LIQUEFIED GASES HAVING BOILING POINTS BELOW 233* K. COMPRISING, IN COMBINATION: A SEALED METER HAVING ROTATING COMPONENTS ALL OF WHICH ROTATE WHOLLY WITHIN THE WALLS OF SAID METER WHEREBY THE ROTATING COMPONENTS NEED NOT BE PRESSURE SEALED, SAID METER HAVING A CHAMBER DISPOSED IN A LINE CONNECTED TO A SOURCE OF LIQUEFIED GAS AND AN OUTLET; AT LEAST ONE ROTATABLE ELEMENT MOUNTED IN SAID CHAMBER, SAID ELEMENT BEING ARRANGED TO ROTATE AT A SPEED PROPORTIONAL TO THE FLOW OF LIQUEFIED GAS THROUGH SAID CHAMBER; MEANS TO INDICATE LIQUEFIED GAS VOLUME UNITS COMPRISING AN ELECTRICALLY ACTUATED REGISTER MECHANISM; MEANS TO ACTUATE SAID REGISTER MECHANISM; A POWER SOURCE; A GAS CHAMBER IN SAID METER ABOVE SAID METER CHAMBER, SAID METER CHAMBER AND SAID GAS CHAMBER BEING IN COMMUNICATION; CIRCUIT INTERRUPTING MEANS ADAPTED TO CONTROL THE ACTUATION OF SAID REGISTER MECHANISM MOUNTED WITHIN SAID GAS CHAMBER; MEANS TO OPERATE SAID CIRCUIT INTERRUPTING MEANS IN RESPONSE TO THE ROTATION OF SAID ROTATABLE ELEMENT, SAID OPERATING MEANS INCLUDING A ROTATING MEMBER MOUNTED WITHIN SAID GAS CHAMBER IN PROXIMITY TO SAID CIRCUIT INTERRUPTING MEANS; A CIRCUIT OPERATIVELY INTER-CONNECTING SAID ACTUATING MEANS, SAID CIRCUIT INTERRUPTING MEANS AND SAID POWER SOURCE; AND MEANS CONNECTING SAID METER TO SAID REGISTER, SAID CONNECTING MEANS CONSISTING SOLELY OF A STATIONARY FLEXIBLE CABLE CARRYING AT LEAST ONE ELECTRICAL CONDUCTOR FORMING PART OF SAID CIRCUIT.