Patent ID: 7942166

Claim:
A device for delivering one or more gases, the device comprising: a chamber including at least a set of input openings for receiving the one or more gases and an output opening for providing the one or more gases, the set of input openings including at least a first hole and a second hole, the chamber being configured to receive a first portion of the one or more gases through the first hole, the chamber being further configured to receive a second portion of the one or more gases through the second hole; and a guide including a guiding unit, the guiding unit being disposed inside the chamber, the guiding unit being configured to contact the first portion of the one or more gases before the first portion of the one or more gases contacts the second portion of the one or more gases, the guiding unit being further configured to contact the second portion of the one or more gases before the second portion of the one or more gases contacts the first portion of the one or more gases, the guide further including a regulating element disposed at a first end of the guiding unit, wherein the first end of the guiding unit is disposed closer to the output opening than a second end of the guiding unit, a cross-sectional area of the regulating element is greater than a cross-sectional area of an intermediate section of the guiding unit, and the intermediate section of the guiding unit is disposed between the first end of the guiding unit and the second end of the guiding unit.