Patent ID: 9306361
Filing Date: 2016-04-05
CPC Classification: F28D,F28F,H01S

Claim Text:
1. A gas laser, comprising: a fan for producing a flow of laser gas; and a heat exchanger including a plurality of heat exchanger pipes and two end plates to which the plurality of heat exchanger pipes are secured at opposing ends thereof, wherein the two end plates include supply openings for supplying a heat exchanger fluid to the plurality of heat exchanger pipes, channels for fluidly connecting at least two supply openings that are associated with different heat exchanger pipes of the plurality of heat exchanger pipes, and covers for closing the channels in a fluid-tight manner, wherein the channels are formed as recesses in the two end plates, each recess defining a channel opening disposed along a first side of a respective end plate, the first side being disposed opposite a second side of the respective end plate to which the plurality of heat exchanger pipes are secured, wherein each cover is configured to close the channel opening defined by a respective recess in a fluid-tight manner, and wherein the plurality of heat exchanger pipes extends substantially transversely relative to a flow direction of the flow of laser gas.