About 72 results
https://drivepatents.com/patents/990479 · 22 May 2013
It is described an energy storage and recovery system (100, 200), which comprises (a) a thermal energy storage and recovery device (110) having a container (112), a heat storage material being accommodated within the container (112), a first fluid terminal...
https://drivepatents.com/patents/991193 · 1 May 2013
A compressed air energy storage (CAES) system (20) includes electric motors (6, 7) drivingly connected to compressors (1, 3), a pressure vessel (5), a turbine (9) drivingly connected to an electrical generator (6), and means for controllably diverting a po...
https://drivepatents.com/patents/991854 · 10 Apr 2013
A power generation apparatus (1) includes an expander (3) and a power transmission shaft (6) that extracts a rotational driving force generated by the expander to the exterior of a housing (5) of the expander. The housing of the expander contains a driving...
https://drivepatents.com/patents/985645 · 13 Mar 2013
A method and apparatus for powering an aircraft by extracting power from both the high pressure and low pressure spools (26, 28) of a gas turbine engine. DC power (48) can be generated using the high pressure spool (26) and AC power (56) can be generated u...
https://drivepatents.com/patents/985862 · 6 Mar 2013
The method involves removing fuel such as cryogenic liquid from a fuel tank (3). The cryogenic liquid is brought into a direct heat-exchanging contact with component of electrical device (2). The cryogenic liquid is transferred into the gaseous phase befor...
https://drivepatents.com/patents/985797 · 6 Mar 2013
The generator (12) has a rotor (23) coupled to a shaft (13) of an auxiliary gearbox device (9) of an engine and rotatably mounted relative to a stator (25). A stator region (28) receiving the stator is separated from a rotor region (27) receiving the rotor...
https://drivepatents.com/patents/985800 · 6 Mar 2013
The gearbox device (9,10) has drive shaft (13,21) that are connected with engine shaft (14) of the jet engine (1). The generators (12,36) are provided on the drive shaft and/or in the region of the operative connection between the drive shaft. The engine s...
https://drivepatents.com/patents/993013 · 6 Feb 2013
A gas turbine starting architecture (10;60) is used to start a gas turbine engine having at least a first spool (14;64). The architecture includes an electric power distribution bus (46;96), a motor (40;92), a compressor (38;90), a pneumatic distribution c...
https://drivepatents.com/patents/996740 · 24 Oct 2012
A hybrid control system (26) for controlling an electric machine (20) coupled to a gas turbine engine (10) is provided. The control system comprises: a primary analog control loop (28) including an analog controller (32) for controlling the electric machin...
https://drivepatents.com/patents/997914 · 26 Sep 2012
The turbo-machine has two radial impellers (1, 2) whose rear surfaces (3a, 3b) are faced with each other. A rotor shaft (4) and a bearing arrangement support the impellers. Axial bearings (5a, 5b) are formed with rotor bearing halves (6a, 6b) and stator be...