Generac Power Systems Inc.

United States

Generac Power Systems Inc.

United States
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Patent
Generac Power Systems Inc. | Date: 2017-05-17

An auxiliary winding for use in an engine-driven generator system is disclosed. The auxiliary winding is separate from but resides with the main winding in the stator slots of an alternator in the generator system. The auxiliary winding is configured to utilize the fundamental component of the flux in the air gap of the alternator along with selected spatial harmonic components to provide power to an automatic voltage regulator during all operating conditions.


Patent
Generac Power Systems Inc. | Date: 2016-03-10

A seal protection system includes a housing located on a dry side of a seal and adjacent to the frame of a pump. The housing, in part, defines a cooling chamber adjacent to the seal in which a cooling liquid may be circulated. The cooling liquid may be contained within the chamber or within a reservoir removed from the chamber. The cooling liquid circulates within the chamber to keep the seal cool even if the pump is operating under dry conditions.


Patent
Generac Power Systems Inc. | Date: 2015-12-08

An airflow system for an enclosed portable generator is provided that efficiently cools internal components by collecting an airflow and directing the entire airflow past a heat generating component such as an inverter module assembly before releasing the airflow in an unrestricted manner into an open interior space of the portable inverter generator. The airflow system includes an intake plenum system with a plenum body configured to collect and concentrate a volume of air as an intake airflow and to damp sound emission from a front side of housing of the generator.


Patent
Generac Power Systems Inc. | Date: 2014-07-08

An auxiliary winding for use in an engine-driven generator system is disclosed. The auxiliary winding is separate from but resides with the main winding in the stator slots of an alternator in the generator system. The auxiliary winding is configured to utilize the fundamental component of the flux in the airgap of the alternator along with selected spatial harmonic components to provide power to an automatic voltage regulator during all operating conditions.


Patent
Generac Power Systems Inc. | Date: 2015-01-09

A load shed module configured to be connected in series between a power supply and a load is disclosed. A separate load shed module is connected in series between each load and the power supply. The load shed module determines the frequency of the voltage supplied from the power supply. Based on the frequency, the load shed module determines if utility power is connected or if a generator is connected. If the generator is connected and the frequency of the voltage goes outside of a desired operating range for a preset time, the load shed module disconnects the load from the power supply. Each load shed module includes a priority setting and reconnects its corresponding load after a predetermined time corresponding to the priority setting.


Patent
Generac Power Systems Inc. | Date: 2016-09-28

A single control for manipulating a fuel valve, a choke condition, and an ignition system condition of an engine of a portable engine powered device that simplifies starting, stopping, and operation of the engine associated with use of the device. The control includes a dial that can be rotated to positions between a first radial position and a second radial position. When the dial is in the first radial position, the fuel valve is maintained in a closed position and the ignition system is grounded such that the engine is rendered inoperable. Rotation of the dial away from the first radial position completes the ignition circuit, opens the fuel valve, and initiates a choke position suitable for subsequent starting and self-sustained operation of the engine. The dial is also axially displaceable to activate an electronic starter for engines so equipped.


Patent
Generac Power Systems Inc. | Date: 2015-12-09

A system is provided for calculating and displaying an estimated remaining runtime for a portable generator. The system may include fuel sender with capacitive sensors communicating with a control system to display the fuel level and/or remaining runtime that can be recalculated when step changes in system performance are detected.


Patent
Generac Power Systems Inc. | Date: 2015-12-09

A portable generator system is disclosed which includes a portable generator and an auxiliary fuel tank. The auxiliary fuel tank may be mounted to and removed from the portable generator without tools. A fuel connector between the auxiliary fuel tank and the portable generator includes a male fitting and a female fitting. The male fitting engages the female fitting without tools and aids in aligning the auxiliary fuel tank with the portable generator.


Patent
Generac Power Systems Inc. | Date: 2015-11-06

An assembly for indicating and communicating a priming charge to a fluid pump to establish self-sustained operation of the fluid pump is disclosed. The priming assembly includes an enlarged inlet associated with a fluid priming chamber and an outlet that is in fluid communication with the working fluid passage associated with the pump. The priming assembly includes one or more of a cap or valve assembly associated with isolating the pump chamber from atmosphere and preferably includes indicia associated with use and/or operation of the priming assembly.


Patent
Generac Power Systems Inc. | Date: 2014-04-24

A method of controlling operation of a variable speed, constant frequency generator system is disclosed. During operation, loads may be added to or removed from the output of the generator system. A controller monitors the power output by the generator system and detects a change in the output power exceeding a predefined threshold. The change indicates the addition of a large electrical load. The controller quickly detects the change in power output and activates a relay to disconnect the load from the generator system. The controller then accelerates the engine of the generator system to maximum speed and reconnects the load to the output of the generator system.

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