| Cummins Power Generation IP, Inc. Patent applications |
| Patent application number | Title | Published |
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| 20220230819 | CURRENT BALANCING FOR AUTOMATIC TRANSFER SWITCHES - An automatic transfer switch includes a first phase switch component having a first plurality of cassettes, and at least one outer bus component disposed at an outer side of the first phase switch component. The automatic transfer switch additionally includes a first plate which is disposed on the outer side of the first phase switch component at a terminal end of the first phase switch component. The first plate is structured to increase impedance on an outer bus component of the first phase switch component to rebalance current along the first phase switch component. | 07-21-2022 |
| 20210320499 | MASTERLESS DISTRIBUTED POWER TRANSFER CONTROL - A method of power transfer control among a plurality of power sources coupled through a distribution system. The method comprises determining, at each power source of the plurality of power sources, an assignment of priorities for each of the plurality of power sources. The method also comprises obtaining, at each power source, information indicating an availability of each of the plurality of power sources and determining a set of available power sources, and identifying, at each power source, a preferred power source and a standby power source from the plurality of power sources. The method further comprises determining to change the preferred power source from a first power source to a second power source in response to detecting a condition, and conducting the power transfer. | 10-14-2021 |
| 20190006881 | BALANCED FORCE BLOW-ON CONTACT AUTOMATIC TRANSFER SWITCH - Automatic transfer switches and methods of forming such switches are disclosed herein. One automatic transfer switch disclosed herein includes a first source bar structured to connect to a first power source, a second source bar structured to connect to a second power source, and a stationary bar structured to be coupled to a load. The automatic transfer switch also includes a first movable bar and a second movable bar each electrically coupled and rotatably connected to the stationary bar. The length of each movable bar and the angle of each movable bar with respect to the stationary bus bar are selected to approximately balance the contact force on each movable bar. Thus, smooth and reliable operations of the automatic transfer switch can be achieved. | 01-03-2019 |
| 20160190907 | SPLIT PHASE POWER CONVERSION APPARATUSES, METHODS AND SYSTEMS - Split phase power conversion apparatuses, methods and systems are disclosed. One exemplary embodiment includes a generator, an AC/DC converter coupled with the generator, a DC bus coupled with the AC/DC converter, and an inverter coupled with the DC bus. The inverter includes first, second, and third legs each including a plurality of switches. A first controller provides a control signal to the first leg based upon a voltage between a first system output and a second system output and a first current provided to the first system output. A second controller provides a second control signal to the second leg based upon a voltage between the second system output and a third system output and a second current provided to the third system output. A third controller controls the third leg to provide an output equal to one half of the DC bus voltage. | 06-30-2016 |
| 20160160731 | AUXILIARY DIESEL EXHAUST FLUID SYSTEMS - Generator assembly systems and methods of manufacturing and operating generator assembly systems. The generator assembly system includes a generator enclosure, a diesel engine, an aftertreatment exhaust system, a primary diesel exhaust fluid system, and an auxiliary diesel exhaust fluid system. The primary diesel exhaust fluid system includes a primary diesel exhaust fluid storage tank fluidly coupled to the aftertreatment exhaust system. The auxiliary diesel exhaust fluid system includes an auxiliary diesel exhaust fluid storage tank and a transfer pump fluidly coupled to the auxiliary diesel exhaust fluid storage tank. The auxiliary diesel exhaust fluid system is housed in an auxiliary enclosure positioned outside of the generator enclosure. At least one fluid conduit fluidly couples the transfer pump to the primary diesel exhaust fluid storage tank. | 06-09-2016 |
| 20160111879 | PROGRAMMABLE INVERTER FOR CONTROLLABLE GRID RESPONSE - A system for providing programmable grid response characteristics includes a generator set having an alternator output voltage, where the alternator output voltage is rectified to provide DC power to a DC bus of the generator set. The system further includes a programmable inverter having power electronics configured to receive a response requirement corresponding to a code requirement of a grid, receive the DC power from the DC bus, and condition the DC power based on the response requirement to provide an AC output response. The AC output response meets specifications of the response requirement. | 04-21-2016 |
| 20160072363 | CONTROL SYSTEM FOR HYDRAULICALLY POWERED AC GENERATOR - Systems and methods for use in controlling a hydraulically powered AC generator are provided. One control system includes a valve system. The valve system includes a fixed valve configured to provide a substantially constant flow rate of the fluid through the fixed valve to the hydraulically powered AC generator. The valve system further includes a variable valve configured to provide a variable flow rate of the fluid through the variable valve to the hydraulically powered AC generator. The control system further includes a sensor device configured to measure a speed of movement of a component of the hydraulically powered AC generator. The control system further includes a control circuit configured to control the variable flow rate of the variable valve based on the speed of movement of the component measured by the sensor device. | 03-10-2016 |
| 20160069254 | APPARATUS, SYSTEMS, AND METHODS TO ADDRESS EVAPORATIVE COOLING AND WET COMPRESSION FOR ENGINE THERMAL MANAGEMENT - An apparatus including a reciprocating internal combustion engine with at least one piston and cylinder set and an intake stream; at least one liquid atomizer in fluid communication with the intake stream operable to provide a plurality of liquid droplets with a diameter less than 5 μm to the intake stream; and a controller where the controller is able to adjust an index of compression for the engine by: calculating a wet compression level in response to an engine operating limit and adjusting the at least one liquid atomizer in response to the wet compression level. | 03-10-2016 |
| 20150292200 | ACOUSTIC COVERING FOR A GENERATOR SET ENCLOSURE WITH PRESSURE SENSITIVE ADHESIVE - A housing for a generator set includes an enclosure within which the generator set is disposed. The housing further includes a covering including a substantially flat top face and a bottom face comprising a plurality of undulations. The bottom face is disposed between the top face and the enclosure. Each of the plurality of undulations has a peak atop which an adhesive bead is positioned. The adhesive bead is responsive to pressure exerted thereon. Each of the undulations is in contact with the enclosure via a respective adhesive bead. | 10-15-2015 |
| 20150285265 | Priming and Lubricating System and Method for Marine Pump Impellers - A marine pumping system includes a pump for providing a cooling fluid to, for example, an internal combustion engine. The pumping system includes a pump, a reservoir separate from and upstream of the pump for storing cooling fluid, and plumbing downstream of the pump configured to maintain cooling fluid in the reservoir during non-operation of the pump. The reservoir and plumbing configuration minimize dry run time of the pump. | 10-08-2015 |
| 20150207396 | Split Phase Power Conversion Apparatuses, Methods and Systems - Split phase power conversion apparatuses, methods and systems are disclosed. One exemplary embodiment includes a generator, an AC/DC converter coupled with the generator, a DC bus coupled with the AC/DC converter, and an inverter coupled with the DC bus. The inverter includes first, second, and third legs each including a plurality of switches. A first controller provides a control signal to the first leg based upon a voltage between a first system output and a second system output and a first current provided to the first system output. A second controller provides a second control signal to the second leg based upon a voltage between the second system output and a third system output and a second current provided to the third system output. A third controller controls the third leg to provide an output equal to one half of the DC bus voltage. | 07-23-2015 |
| 20150076820 | CONTROL OF AN ENGINE-DRIVEN GENERATOR TO ADDRESS TRANSIENTS OF AN ELECTRICAL POWER GRID CONNECTED THERETO - A technique for providing electric power to an electric power utility grid includes driving an electric power alternator coupled to the grid with a spark-ignited or direct injection internal combustion engine; detecting a change in electrical loading of the alternator; in response to the change, adjusting parameters of the engine and/or generator to adjust power provided by the engine. In one further forms of this technique, the adjusting of parameters for the engine includes retarding spark timing and/or interrupting the spark ignition; reducing or retarding direct injection timing or fuel amount and/or interrupting the direct injection; and/or the adjusting of parameters for the generator including increasing the field of the alternator or adding an electrical load. | 03-19-2015 |
| 20150061296 | GENERATOR SET ASSEMBLY WITH BAFFLE - An apparatus includes a housing having a ventilation opening. A component such as a generator set can be disposed within an interior space of the housing. A baffle can be disposed within the interior space of the housing at a location that obstructs an acoustic line of sight between the ventilation opening and the component to eliminate or otherwise reduce a sound signature of the component. The baffle can also be configured to accumulate water from the ventilation opening. A drain can also be provided to aid in the removal of water accumulated by the baffle and route the water outside the housing. | 03-05-2015 |
| 20140373803 | APPARATUS, SYSTEMS, AND METHODS TO ADDRESS EVAPORATIVE COOLING AND WET COMPRESSION FOR ENGINE THERMAL MANAGEMENT - An apparatus including a reciprocating internal combustion engine with at least one piston and cylinder set and an intake stream; at least one liquid atomizer in fluid communication with the intake stream operable to provide a plurality of liquid droplets with a diameter less than 5 μm to the intake stream; and a controller where the controller is able to adjust an index of compression for the engine by: calculating a wet compression level in response to an engine operating limit and adjusting the at least one liquid atomizer in response to the wet compression level. | 12-25-2014 |
| 20140106248 | Fuel Cell with Low Water Consumption - A technique to provide fuel to a solid oxide fuel cell with low water consumption is described that includes providing an initial fuel mixture with air and hydrocarbon, and partially oxidizing the fuel mixture with a catalyst to provide a reformed fuel mixture. Also included is adding an amount of water to the reformed fuel mixture to reduce formation of elemental carbon from carbon monoxide in the reformed fuel mixture and supplying a portion of the reformed fuel mixture combined with water to an electrochemical device that produces electrical power from hydrogen in the reformed fuel mixture. | 04-17-2014 |
| 20140076272 | APPARATUS, SYSTEMS, AND METHODS TO ADDRESS EVAPORATIVE COOLING AND WET COMPRESSION FOR ENGINE THERMAL MANAGEMENT - An apparatus including a reciprocating internal combustion engine with at least one piston and cylinder set and an intake stream; at least one liquid atomizer in fluid communication with the intake stream operable to provide a plurality of liquid droplets with a diameter less than 5 μm to the intake stream; and a controller where the controller is able to adjust an index of compression for the engine by: calculating a wet compression level in response to an engine operating limit and adjusting the at least one liquid atomizer in response to the wet compression level. | 03-20-2014 |
| 20140069369 | APPARATUS, SYSTEMS, AND METHODS TO ADDRESS EVAPORATIVE COOLING AND WET COMPRESSION FOR ENGINE THERMAL MANAGEMENT - An apparatus including a reciprocating internal combustion engine with at least one piston and cylinder set and an intake stream; at least one liquid atomizer in fluid communication with the intake stream operable to provide a plurality of liquid droplets with a diameter less than 5 μm to the intake stream; and a controller where the controller is able to adjust an index of compression for the engine by: calculating a wet compression level in response to an engine operating limit and adjusting the at least one liquid atomizer in response to the wet compression level. | 03-13-2014 |
| 20140069368 | APPARATUS, SYSTEMS, AND METHODS TO ADDRESS EVAPORATIVE COOLING AND WET COMPRESSION FOR ENGINE THERMAL MANAGEMENT - An apparatus including a reciprocating internal combustion engine with at least one piston and cylinder set and an intake stream; at least one liquid atomizer in fluid communication with the intake stream operable to provide a plurality of liquid droplets with a diameter less than 5 μm to the intake stream; and a controller where the controller is able to adjust an index of compression for the engine by: calculating a wet compression level in response to an engine operating limit and adjusting the at least one liquid atomizer in response to the wet compression level. | 03-13-2014 |
| 20130328389 | SHORE POWER TRANSFER SWITCH - A vehicle includes a mobile electric power generation system including a mobile power source such as a generator. An external power interface is included to connect to an external electrical power source. An AC electric power distribution bus is included to power electric loads of the vehicle and a power switch device is provided to selectively provide AC electric power on the power distribution bus from one of the respective power sources with a default to select one of the sources whenever it is present. | 12-12-2013 |
| 20130257148 | TRANSFER SWITCH ASSEMBLY AND METHOD - A method for assembly of a transfer switch is disclosed that includes a power switch device with a number engagement landings and a printed circuit board defining an opening bordered by a number of tabs. The tabs engage the landings as the switch device extends through the openings, and can be fastened together. | 10-03-2013 |
| 20130227834 | COIL SPRING GENSET VIBRATION ISOLATION SYSTEM - An electric power generation device includes a genset with an engine coupled to a generator and an enclosure that includes a base having a plurality of bosses protruding upwardly each a respective predetermined height from a surface of the base. A plurality of coil springs is positioned between an upper surface of each of the bosses and a respective mounting member of the genset. The bosses and the mounting members are positioned such that each respective coil spring is approximately equally loaded by the genset. | 09-05-2013 |
| 20130106114 | GENERATOR SET MOUNT | 05-02-2013 |
