Electrochemical gas sensor with gas communication means
AssigneeSenco Sensors Inc.
InventorWenfeng Peng
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Abstract
An electrochemical sensor having electrolyte, at least two electrodes and an electrolyte reservoir in a housing. The sensor has a hydrophobic gas communication means between said electrodes, electrolyte reservoir and ambient atmosphere. An electrochemical sensor having hydrophobic communication means mounted between electrodes and extending down to the electrolyte reservoir of the electrochemical sensor. Either embodiment of the sensor can provide oxygen for operation of the sensor and a balance of pressure, without interfering or poisonous gases.
Claims13
An electrochemical gas sensor having an electrolyte matrix, a sensing electrode and a second electrode sandwiching the matrix, and an electrolyte reservoir, said electrolyte reservoir containing electrolyte, said electrodes and electrolyte being contained in a housing such that the sensing electrode is in gas communication with the atmosphere, said sensor having a hydrophobic gas communication channel connected to and extending continuously between the sensing electrode and inside the reservoir thereby facilitating equalization of pressure inside the reservoir with atmospheric pressure.
An electrochemical gas sensor having hydrophobic gas communication means, said electrochemical sensor having a sensing electrode and a second electrode sandwiching an electrolyte matrix, and an electrolyte reservoir for containing electrolyte, said sensing electrode being in gas communication with the atmosphere, and said hydrophobic communication means being connected to and extending continuously between the sensing electrode and inside the reservoir thereby facilitating equalization of pressure inside the reservoir with atmospheric pressure.
Dependencies are inferred from the claim text.