Patent ID: 11923585
Assignee: HAMILTON SUNDSTRAND CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. An inlet header for a fuel cell comprising:
an inner end configured to be located against a plate stack of the fuel cell, an outer end spaced apart from the inner end, and a plurality of segments between the inner end and the outer end, and the plurality of segments include:
an outer segment that extends from the outer end to a first intermediate end, wherein the outer segment defines a cylindrical profile;
a first intermediate segment that forms an outer elbow and extends from the first intermediate end to a second intermediate end, wherein the second intermediate end has a rectangular shape, and wherein the first intermediate segment increases in width proportionally as it extends toward the second intermediate end;
a second intermediate segment that extends from the second intermediate end to a third intermediate end, wherein the third intermediate end has a rectangular shape, and wherein the second intermediate segment increases in width and height proportionally as it extends toward the third intermediate end; and
an inner segment that forms an inner elbow and extends from the third intermediate end to the inner end of the inlet header.