REFRIGERATION APPARATUS

A refrigeration apparatus having liquefied gas storage means with a headspace when liquefied gas is present. A conduit extends between the headspace of the storage means adjacent to a heat exchanger. The conduit is configured to feed gas from the headspace to the heat exchanger. A second conduit extends from the heat exchanger, and is configured to feed the gas from the heat exchanger to an exhaust by which the gas is vented to the atmosphere.