Anode loop pressure control in PEM fuel cell system
Granted: August 21, 2012
Patent Number:
8247126
A method of controlling pressure of a fuel gas in a fuel cell stack is disclosed. The method includes establishing a specification for a fuel gas/oxidant gas delta pressure vs. time value, operating the fuel cell stack, monitoring the fuel gas/oxidant gas delta pressure vs. time value and reducing stress resulting from excessive pressure of the fuel gas by implementing at least one of the following: (1) inducing the fuel cell stack to convert excess fuel gas into electrical current; (2)…
Computer-implemented method and system for determining a material utilization for part assemblies
Granted: August 21, 2012
Patent Number:
8249740
Various embodiments may include determining a material utilization for one or more assemblies having a plurality of parts. Offal data for one or more parts comprising one or more part assemblies and a blank material utilization status for each of the one or more part assemblies may be received. The blank material utilization status for the one or more part assemblies may be based on a blank material utilization status for each of the one or more parts. The offal data may be standardized…
Deionization filter for fuel cell vehicle coolant
Granted: August 21, 2012
Patent Number:
8246817
A novel deionization filter for removing ions from a coolant in an electric fuel cell vehicle cooling system is disclosed. The deionization filter includes a filter housing having a coolant inlet port, through which the coolant enters the filter housing; and a coolant outlet port, through which the coolant exits the filter housing. An ion exchange bed having positively-charged and negatively-charged ion exchange resin beads is provided in the filter housing for removing negative and…
Vehicle upper grille
Granted: August 7, 2012
Patent Number:
D664899
Vehicle lower grille
Granted: August 7, 2012
Patent Number:
D664900
Vehicle front upper bumper cover
Granted: August 7, 2012
Patent Number:
D664902
Vehicle front lower bumper cover
Granted: August 7, 2012
Patent Number:
D664903
Vehicle hood
Granted: August 7, 2012
Patent Number:
D664905
Vehicle auxiliary lamp
Granted: August 7, 2012
Patent Number:
D665109
Vehicle upper grille
Granted: July 31, 2012
Patent Number:
D664480
Vehicle front bumper cover
Granted: July 31, 2012
Patent Number:
D664483
Vehicle lower grille
Granted: July 31, 2012
Patent Number:
D664481
Vehicle upper grille
Granted: July 31, 2012
Patent Number:
D664479
Vehicle rear upper bumper cover
Granted: July 17, 2012
Patent Number:
D663659
Vehicle rear lower bumper cover
Granted: July 17, 2012
Patent Number:
D663660
Vehicle mirror
Granted: July 17, 2012
Patent Number:
D663662
Vehicle wheel
Granted: July 17, 2012
Patent Number:
D663672
Vehicle wheel
Granted: July 17, 2012
Patent Number:
D663673
Vehicle taillight
Granted: July 17, 2012
Patent Number:
D663873
Bipolar separators with improved fluid distribution
Granted: July 17, 2012
Patent Number:
8221930
A fuel cell separator having a first plate, the first plate including an active surface comprising a reactant flow field and a header fluidly connected thereto, an opposing non-active surface, and a header channel fluidly connected to the header, wherein the header further includes a recess directly fluidly connected to one end of the header channel, wherein the recess comprises a top perimeter and a side wall. In one embodiment, the header channel is formed on the active surface of the…
