An AC ground fault detector system for sensing an AC signal indicative of an unintended electrical path between a load driven by a power source and a reference potential comprises a first power conductor coupled to a first terminal of the power source and ...

A fault detection system for detecting an unwanted electrical path between a reference potential and at least one of: a) a floating power source, b) a first power conductor coupled to a first terminal of the power source, and c) a second power conductor co...

An AC ground fault detector system for sensing an AC signal indicative of an unintended electrical path between a load driven by a power source and a reference potential comprises a first power conductor coupled to a first terminal of the power source and ...

A power combining apparatus for a hybrid electric vehicle comprises a planetary gear set comprising a sun gear (41), a ring gear (43) connected to an output shaft (43s), a plurality of planet gears (42a,b,c), and a carrier assembly (30c) rotatably supporti...

A method for regeneration of particulate filters or traps in the context of a hybrid electric vehicle includes the step of measuring the back pressure of the filter, and adjusting the engine parameters when the back pressure exceeds a particular value to i...

A battery equalization circuit for equalizing charge between at least first and second series-connected batteries, where each battery has a positive end and a negative end, with the positive end of the second battery coupled to the negative end of the firs...