A hydraulically driven fluid injection system comprising a reservoir having a first and second chamber and a piston separating the first and second chamber. A reservoir control valve to control the input of a first fuel source to the first chamber. The res...

A fuel system for managing the flow of fuel to an engine having a metering valve, a bypass valve, and a shutoff valve. The system is configured to allow a primary flow of fuel in a first state to flow through the shutoff valve to the metering valve and out...

A contactor control unit (CCU) includes a communication interface configured to be coupled to a power controller. The CCU also includes one or more switches, each associated with a contactor in a power distribution system that includes one or more contacto...

A method includes receiving an indication of a fault condition in a first winding set of a permanent magnet synchronous (PMS) electric machine that includes the first winding set and a second winding set. The method also includes, in response to receiving ...

A system includes multiple solid state power controller (SSPC) modules arranged in a distribution system architecture. The system also includes a distribution system controller communicatively coupled to the multiple SSPC modules. The distribution system c...

An aircraft system for pre-heating ammonia that flows toward an ammonia fuel cell, the system having: an ammonia-to-air heat exchanger, having: a first section through which RAM air flows, a second section through which the ammonia flows and a third sectio...

The present disclosure provides absorption refrigeration systems, assemblies and methods utilizing waste heat for climate control and/or cooling (e.g., electric systems cooling; electronics cooling; motor cooling; generator cooling; oil cooling; etc.). Mor...

A power supply system includes a first saturable reactor electrically connected to a first AC phase input, to a second AC phase input, and to a third AC phase input. The first saturable reactor is electrically connected to a first DC output. A second satur...