Inventor

XU SIGUANG

US26 patents

⚠️ This page may combine multiple inventors who share the name “XU SIGUANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

XU SIGUANG

GM GLOBAL TECH OPERATIONS LLC

Fuel cell stack with asymmetrical bipolar plates

Fuel cell microseal and a method of manufacture thereof

Fuel cell stack

Unsymmetric compact metal seal beads for fuel cell stack

Header flange to evenly distribute contact pressure across seals

Bipolar plate for a fuel cell, and a method manufacturing the same

Plate structure for a fuel cell

Displacement absorption tunnels for circular beads

Fuel cells, half plates, and methods for designing the same

Fuel cell end plate unit and stack

Fuel cell stack assembly

Method of manufacturing a fuel cell stack

Tunnel cross section for more uniformed contact pressure distribution on metal bead seal at the intersection between bead and tunnel

Optimization of tunnel location for uniform contact pressure distribution

Reduction of pressure variation with stamped embossment at bead neighbors

Reinforcement structure for bead seal in a plate assembly

Header flange to evenly distribute contact pressure across seals

Die clearance control for thin sheet stainless steel BPP forming

Die assembly for a stamping press

Plate assembly having sealing members in an offset alignment

Header design employing generally regular shapes

Seal contact pressure uniformity by inserting connection at bead corners

GM GLOBAL TECH OPERATIONS INC

Unique pre-form design for two-step forming of stainless steel fuel cell bipolar plates

MILLER DANIEL P

Reinforced fuel cell metal plate perimeter

XU SIGUANG

Method to improve the dimensional accuracy and surface quality for large spring back compensation for fuel cell bipolar plate forming

HONDA MOTOR CO LTD

Fuel cell and metallic separator with varied bead seal width and angle