International Engine Intellectual Property Company, LLC

Greenwhich Industries, L.p.

John J Bryjak

Michael A Majewski

Troy William Livingston

Steven Joseph Dickerson

Arthur Hergott

Steve J Dickerson

This invention provides a pump with a close-mounted valve for a hydraulic fuel system in an internal combustion engine. The hydraulic fuel system may have a high pressure pump connected to a low pressure side and high pressure reservoirs. The pump has a drive shaft, a shaft cylinder, one or more cylinders, and a close-mounted valve. The close-mounted valve has a valve body, a valve spool, a valve spring, and a valve coil. The valve body is positioned inside a shaft cavity formed by the shaft cylinder. The close-mounted valve may control the volume and pressure to reduce or eliminate the dumping of high-pressure hydraulic fluid in the hydraulic fuel system.

High pressure pump with a close-mounted valve for a hydraulic fuel system

A control strategy for a throttled inlet oil pump that supplies high-pressure oil to a rail that serves fuel injectors of a diesel engine. A processor processes certain data to develop data for selectively restricting the throttle at the pump inlet. The processor develops error data defining error between a desired injector control pressure in the rail and actual injector control pressure in the rail. For a prevailing value of the error data, the processor adds a correlated offset data value to introduce an offset into the prevailing error data value, thereby creating an offset error data value. The processor further processes the offset error data value to create a value for the data that establishes the throttle restriction.

Control strategy for a throttled inlet, high pressure, diesel engine oil pump

There is provided a portable seating apparatus having multiple seating tiers and an understructure system that operates to extend the seating for use and to retract the seating for storage and transport. In the storage arrangement, the lower seating and understructure is capable of being substantially retracted into a portable housing. The housing is fitted with a system of rollers that operate between an extended condition to support the housing for transport and to a retracted position to lower the housing onto stationary foot pads for use by spectators. The seating apparatus is also provided with an anti-tipping mechanism which operates to limit tipping movement of the housing during use by spectators.

Growing community of inventors

Park Ridge, IL, United States of America

John J Bryjak