Julius P. Perr

Person

Columbus, IN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dual mode EGR valve
- Patent number 6,964,270
- Issue date Nov 15, 2005
- Cummins, Inc.
- John M. Janssen
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Variable spray hole fuel injector with dual actuators
- Patent number 6,557,779
- Issue date May 6, 2003
- Cummins Engine Company, Inc.
- Julius P. Perr
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Gaseous and liquid fuel injector with a two way hydraulic fluid con...
- Patent number 6,336,598
- Issue date Jan 8, 2002
- Westport Research Inc.
- Alain M. J. Touchette
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Compact high performance fuel system with accumulator
- Patent number 5,983,863
- Issue date Nov 16, 1999
- Cummins Engine Company, Inc.
- Mark S. Cavanagh
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel injector with pressure balanced needle valve
- Patent number 5,979,803
- Issue date Nov 9, 1999
- Cummins Engine Company
- Lester L. Peters
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Unit fuel injector having constant start of injection
- Patent number 5,954,029
- Issue date Sep 21, 1999
- Cummins Engine Company, Inc.
- Lester L. Peters
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Two stage fuel injector nozzle assembly
- Patent number 5,899,389
- Issue date May 4, 1999
- Cummins Engine Company, Inc.
- Arpad M. Pataki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Injection rate shaping nozzle assembly for a fuel injector
- Patent number 5,765,755
- Issue date Jun 16, 1998
- Cummins Engine Company, Inc.
- Lester L. Peters
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Variable injection timing and injection pressure control arrangement
- Patent number 5,713,335
- Issue date Feb 3, 1998
- Cummins Engine Company, Inc.
- Julius P. Perr
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel injection rate shaping control system
- Patent number 5,619,969
- Issue date Apr 15, 1997
- Cummins Engine Company, Inc.
- Chung Y. Liu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Open nozzle fuel injector having drive train wear compensation
- Patent number 5,611,317
- Issue date Mar 18, 1997
- Cummins Engine Company, Inc.
- Lester L. Peters
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Three-way flow valve with variable drain orifice area
- Patent number 5,518,030
- Issue date May 21, 1996
- Cummins Engine Company, Inc.
- Chung Y. Liu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
High pressure fuel injector including a trapped volume spill port
- Patent number 5,445,323
- Issue date Aug 29, 1995
- Cummins Engine Company, Inc.
- Julius P. Perr
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Individual timing and injection fuel metering system
- Patent number 5,441,027
- Issue date Aug 15, 1995
- Cummins Engine Company, Inc.
- David L. Buchanon
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Force balanced electronically controlled fuel injector
- Patent number 5,419,492
- Issue date May 30, 1995
- Cummins Engine Company, Inc.
- Gary L. Gant
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Variable displacement high pressure pump for fuel injection systems
- Patent number 5,404,855
- Issue date Apr 11, 1995
- Cummins Engine Company, Inc.
- Bai-Mao Yen
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Distributor for a high pressure fuel system
- Patent number 5,353,766
- Issue date Oct 11, 1994
- Cummins Engine Company, Inc.
- Lester L. Peters
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Compressed natural gas injection system for gaseous fueled engines
- Patent number 5,329,908
- Issue date Jul 19, 1994
- Cummins Engine Company, Inc.
- Yul J. Tarr
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Force balanced electronically controlled fuel injector
- Patent number 5,301,875
- Issue date Apr 12, 1994
- Cummins Engine Company, Inc.
- Cary L. Gant
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Unit fuel injector with injection chamber spill valve
- Patent number 5,094,397
- Issue date Mar 10, 1992
- Cummins Engine Company, Inc.
- Lester L. Peters
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Articulated open nozzle high pressure unit fuel injector
- Patent number 5,076,240
- Issue date Dec 31, 1991
- Cummins Engine Company, Inc.
- Julius P. Perr
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel cutoff for better transient control
- Patent number 5,076,236
- Issue date Dec 31, 1991
- Cummins Engine Company, Inc.
- Robert Yu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electronic controlled fuel supply system for high pressure injector
- Patent number 5,042,445
- Issue date Aug 27, 1991
- Cummins Engine Company, Inc.
- Lester L. Peters
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel injector with multiple variable timing
- Patent number 5,033,442
- Issue date Jul 23, 1991
- Cummins Engine Company, Inc.
- Julius P. Perr
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Injection rate control injector
- Patent number 5,029,568
- Issue date Jul 9, 1991
- Cummins Engine Company, Inc.
- Julius P. Perr
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Valve control system with a variable timing hydraulic link
- Patent number 5,002,022
- Issue date Mar 26, 1991
- Cummins Engine Company, Inc.
- Julius P. Perr
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
High pressure unit fuel injector with timing chamber pressure control
- Patent number 4,986,472
- Issue date Jan 22, 1991
- Cummins Engine Company, Inc.
- Timothy A. Warlick
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electronic controlled fuel supply system for high pressure injector
- Patent number 4,971,016
- Issue date Nov 20, 1990
- Cummins Engine Company, Inc.
- Lester L. Peters
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Injection rate control cam
- Patent number 4,962,743
- Issue date Oct 16, 1990
- Cummins Engine Company, Inc.
- Julius P. Perr
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Fuel injector train with variable injection rate
- Patent number 4,944,275
- Issue date Jul 31, 1990
- Cummins Engine Company, Inc.
- Julius P. Perr
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
Dual mode EGR valve
- Publication number 20050028797
- Publication date Feb 10, 2005
- John M. Janssen
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Variable spray hole fuel injector with dual actuators
- Publication number 20020125339
- Publication date Sep 12, 2002
- Julius P. Perr
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Julius P. Perr

Person

Patents Grantslast 30 patents

Dual mode EGR valve

Variable spray hole fuel injector with dual actuators

Gaseous and liquid fuel injector with a two way hydraulic fluid con...

Compact high performance fuel system with accumulator

Fuel injector with pressure balanced needle valve

Unit fuel injector having constant start of injection

Two stage fuel injector nozzle assembly

Injection rate shaping nozzle assembly for a fuel injector

Variable injection timing and injection pressure control arrangement

Fuel injection rate shaping control system

Open nozzle fuel injector having drive train wear compensation

Three-way flow valve with variable drain orifice area

High pressure fuel injector including a trapped volume spill port

Individual timing and injection fuel metering system

Force balanced electronically controlled fuel injector

Variable displacement high pressure pump for fuel injection systems

Distributor for a high pressure fuel system

Compressed natural gas injection system for gaseous fueled engines

Force balanced electronically controlled fuel injector

Unit fuel injector with injection chamber spill valve

Articulated open nozzle high pressure unit fuel injector

Fuel cutoff for better transient control

Electronic controlled fuel supply system for high pressure injector

Fuel injector with multiple variable timing

Injection rate control injector

Valve control system with a variable timing hydraulic link

High pressure unit fuel injector with timing chamber pressure control

Electronic controlled fuel supply system for high pressure injector

Injection rate control cam

Fuel injector train with variable injection rate

Patents Applicationslast 30 patents

Dual mode EGR valve

Variable spray hole fuel injector with dual actuators