A type of electricity and air supplying equipment, which includes: a clutch mechanism, a belt assembly, a motor having a transmission shaft, a generator unit having a generating wheel, and an air compressor having an air compressing wheel. The clutch mechanism has first and second clutch shafts that can be engaged or disengaged. The belt assembly includes a first belt connected between the transmission shaft and the generating wheel, a second belt connected between the generating wheel and the first clutch shaft, and a third belt connected between the second clutch shaft and the air compressing wheel. The motor drives the generator unit to run and generate electricity, and meanwhile, the generator unit drives the air compressor through the clutch mechanism. Thus, the equipment can use single power for electricity generation and high-pressure air production, while providing heat insulation and easy assembly.

A system includes a generator coupled to an engine and configured to generate electricity from rotational movement of a shaft of the engine, a sensor configured to measure one or more of a parameter of generator output, engine speed, or engine shaft torque, and a controller configured to detect engine imbalance based on a frequency content of a signal output from the sensor in response to a contribution to the frequency content from another component of the system being less than a threshold value.

A customizable portable generator system and methods for assembling the same are disclosed. In one example, the generator system generally includes a universal frame including a plurality of mounting interfaces configured for detachably attaching one of a plurality of different engines and a plurality of wheel assemblies and/or support legs. Optionally, at least one handlebar assembly may be detachably mounted on the frame in at least one of two possible positions. In one example, the handlebar may be pivotably mounted to the frame. The frame components may be assembled into a kit from which a user may select various options to custom configure the generator unit. Other appurtenances and accessories may be provided which interface with the generator unit and frame. A modular generator frame and compressed gas-fueled generators are also disclosed.

A portable power generator with power monitor and control. The portable generator may include an alternator powered by an engine and configured to generate an alternator output, a first output receptacle coupled to the alternator output through a first switch, and a second output receptacle coupled to the alternator output through a second switch. The portable generator may further include a sensor unit configured to detect at least one output parameter of the first output receptacle. An electronic processor of the portable generator may be configured to receive first sensor signals indicating a measured quantity of the at least one output parameter of the first output receptacle and determine that the measured quantity exceeds a predetermined threshold. The processor may also be configured to disable the first output receptacle in response to determining that the measured quantity exceeds the predetermined threshold.

A frac system includes an engine, the engine having a crankshaft and a radiator. The radiator includes a radiator cooling fan. The frac system also includes a transmission coupled to the engine and a frac pump coupled to the transmission, the frac pump including a frac pump lubricating oil pump. The frac system further includes a traction drive motor system. The traction drive motor system includes a first set of traction drive motors, the first set of traction drive motors mechanically connected to the crankshaft. The traction drive motor system also includes a second set of traction drive motors, the second set of traction drive motors mechanically connected to the radiator cooling fan. In addition, the traction drive motor system includes third set of traction drive motors, the third set of traction drive motors mechanically connected to the frac pump lubricating oil pump.

A fuel-tank-equipped working machine is provided, which is capable of securing a fuel tank to be large in a state where the fuel-tank-equipped working machine is secured to be compact. A generator 10 as a working machine includes a fuel tank 25 supported at an outer case 12. The working machine 10 includes a tank opening 35 that is formed at the outer case 12, a mounting concave portion 38 that is formed on the fuel tank 25, and a cushion portion 37 that is capable of being housed in the mounting concave portion 38. The tank opening 35 is formed so as to be able to expose an upper half part 25a of the fuel tank 25 to an outside 14 of the outer case 12. Further, the cushion portion 37 has a fitting groove 63 capable of being fitted to an opening rim 36 of the tank opening 35.

In an embodiment, an integrated ground support system for an aircraft is described herein, the system including a frame on which the system is arranged as a singular assembly. An engine, drive train, alternator, bleed air unit, one or more electrical components, and air cycle machine are mounted on the frame. The engine operates at a first operational state associated with a first rotational speed that is independent of a frequency associated with electrical power, if only the electrical power is to be used by the aircraft, and the engine operates at a second operational state associated with a second rotational speed, different from the first rotational speed, that is a function of a pressure associated with bleed air or the conditioned air, if the electrical power and one of the bleed air or the conditioned air are to be used simultaneously by the aircraft.

Mobile power generation systems and methods for fire suppression therewith include providing a trailer including a rear end, a front end, a bottom end, and a top end, a side panel disposed below the top end and between the rear end and the front end of the trailer and including at least one access door configured to be opened to access an interior space, a gas turbine housed inside the trailer, an electrical generator coupled to the gas turbine to generate electricity and housed inside the trailer, and a fire detection and extinguishing system comprising one or more pressurized bottles stored in the interior space adjacent to and configured to be accessible by the at least one access door.

A mobile power generation system includes a trailer, a gas turbine housed inside the trailer, an electrical generator coupled to the gas turbine to generate electricity, an exhaust silencer system configured to receive exhaust has from the gas turbine, and a noise attenuation assembly coupled to and in fluid communication with the exhaust silencer system. The exhaust silencer system may be attached to a front end of the trailer and may include a diffuser system, a lower exhaust elbow silencer coupled to and in fluid communication with the diffuser system, and an upper exhaust elbow in fluid communication with the lower exhaust elbow silencer and comprising an outlet. The noise attenuation assembly includes an exhaust silencer unit mounted to a top end of the trailer. The exhaust silencer unit includes an inlet in fluid communication with the outlet of the upper exhaust elbow of the exhaust silencer system.

Mobile power generation system and methods using a fixture to position a generator pad assembly in a mobile power generation system include providing a trailer including a rear end, a front end, a bottom end, and a top end, a gas turbine housed inside the trailer having an internal base, and an electrical generator coupled to the gas turbine to generate electricity and housed inside the trailer. The generator pad assembly may include a plurality of generator pads fixed to the internal base, a respective plurality of sole plates positioned above the plurality of generator pads at a spacing, and a supportive material positioned around the plurality of generator pads and the respective plurality of sole plates to fix them in an aligned position. The fixture may be configured to fix the generator pad assembly to the internal base at the aligned position.