Cummins Inc.

Cummins Intellectual Property, Inc.

Gregory S Franks

Joseph A Worthington

David Paul Genter

Amit Yeole

Fred M Rasener

Hanna Christine Small

Joshua G Knight

Norman C Blizard

Michael F Mattern

Jason Robert Griffin

Stephen Sunadh Gidla

Thomas O Hahn

Keith A Gunter

Michael T Stanley

Alex Edward Priestley

James L Walls

Edward Nathan Linen

Paul D Johnson

Ryan Nelson Knight

Benjamin Dodman

Sandesh R Patil

Adrian Constantin Ciobota

Rodney Lee Steele

Lucy Anne Baker

Edwin B Hopkins, Iii

Ryan Vincent Larcom

John Mathias Winter, Ii

Timothy Andrew Solzak

Keith Edward Barber

Eric L Stacy

L Eric Stacy

Timothy John Monahan

A fuel filtration system and methods controlling, and operating a fuel filtration system. A first fuel filter head is fluidly coupled to one or more first fuel filters, a second fuel filter head is fluidly coupled to one or more second fuel filters and a selector valve is coupled to the first fuel filter head and the second fuel filter head. The selector valve includes a primary valve inlet port, a primary valve outlet port, and a movable valve body movable from a first position to a second position. The first position fluidly couples the first fuel filter head to the primary valve outlet port and fluidly decouples the second fuel filter head from the primary valve outlet port. The second position fluidly couples the second fuel filter head to the primary valve outlet port and fluidly decouples the first fuel filter head from the primary valve outlet port.

Fuel filtration system

The present disclosure provides a fuel injector seal assembly comprising a seal member comprising a first section, a second section and an annular recess disposed in the first section, the first section having a first diameter and the second section having a second diameter wherein the first diameter is greater than the second diameter; and a sleeve member comprising a first end received by the first section of the seal member, the sleeve member further including a lengthwise portion configured to press fit around a nozzle housing of a fuel injector to cause heat transfer from the nozzle housing toward a body portion of the fuel injector.

Heat transferring fuel injector combustion seal with load bearing capability

This disclosure provides a fuel injector seal assembly comprising a seal component fabricated or formed of a first material and a thermally conductive or heat transfer component fabricated or formed of a second material that is different from the first material. The first material has a greater strength than the second material, and the second material has a greater thermal conductivity than the first material. Thus, the injector seal assembly is able to provide a primary benefit of a combustion seal while also providing an enhanced benefit of transferring heat from one portion of the fuel injector to another portion of the fuel injector.

Internal combustion engine including an injector combustion seal positioned between a fuel injector and an engine body

A fuel supply system and method of controlling fuel flow through a supply system is provided including a variable flow, i.e. speed, electric fuel transfer pump and a control system adapted to variably control the transfer pump based on fuel demand of the engine. The system provides improved transient response by providing the transfer pump with a feed forward speed/flow command based on engine fueling demand determined based on engine operating conditions. The transfer pump is controlled based on fuel demand not necessarily achieved yet by the high pressure pump and injectors. Therefore, this system controls the EFTP substantially simultaneously with controlling the high pressure pump and injectors to optimize fuel flow through the entire system ensuring the minimum required fuel flow is passing through the second the fuel filtration system, hence maximizing steady state fuel filtration efficiency, and minimizing surge effects on filtration efficiency.

Variable flow fuel transfer pump system and method

Engine

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Edinburgh, IN, United States of America

Gregory S Franks