Hamilton Sundstrand Corporation

Collins Engine Nozzles, Inc.

Jay W Kokas

Murtuza Lokhandwalla

Richard E Versailles

Brandon Phillip Williams

Todd Haugsjaahabink

Russell P Rourke

Michael Ferrarotti

Kerry R Querns

Jason Allen Ryon

Kenneth J Trotman

Kevin P Roy

Rachel Farner

Leo J Veilleux, Jr

Charles E Reuter

Michael Maynard

Rudolph Thomas Beaupre

Luke T Orsini

Matthew S Fitzpatrick

Mark R Gurvich

Haralambos Cordatos

Blair A Smith

Richard A Poisson

Kevin M Rankin

Ricardo O Brown

Jeffry K Kamenetz

Gregory DiVincenzo

Mark A Johnston

Edward John Marotta

Robert D Klapatch

Judy Schwartz

John D Pennell

William Betterini

Steven R Fischer

Jay H Hartman

Andrew M Caldecutt

Jesse C Peters

Marc S McCloud

Robert C Hoeckele

Richard M Speziale

Alan F Hunter

Rebecca R Stoner

Kevin Gibbons

Luke J Orsini

A system includes an injector having a scheduling valve assembly and a nozzle in fluid communication with the valve assembly. The scheduling valve assembly is configured for regulation of flow from an inlet of the injector to the nozzle. The injector includes two fluid circuits between the inlet of the injector and two respective outlets of the nozzle for staged flow output from the nozzle. A first one of the two fluid circuits is a primary circuit, and a second one of the two fluid circuits is a secondary circuit. A solenoid valve is connected in fluid communication with the scheduling valve assembly, wherein the solenoid valve is configured to adjust position of a hydromechanical valve spool of the valve assembly.

Proportional force modification of passive spool for control of secondary nozzle circuits

A fuel injector for a turbine engine includes a fuel scheduling valve configured for regulation of fuel flow from a fuel inlet, in response to fuel pressure received at the fuel inlet. Primary, secondary and auxiliary fuel circuits receive fuel from the scheduling valve, and an electrically-controlled valve is provided in fluid communication with the auxiliary circuit, which electrically-controlled valve is adapted and configured to actively control fuel through the auxiliary circuit in response to a control signal. The auxiliary fuel circuit joins with the secondary fuel circuit for delivery to a fuel nozzle.

Proportional restriction of a secondary circuit of a fuel injector

A fuel injector for a turbine engine includes a fuel scheduling valve configured for regulation of fuel flow from a fuel inlet in response to fuel pressure received at the fuel inlet. Primary and secondary fuel circuits receive fuel from the scheduling valve, and an electrically-controlled valve is provided in fluid communication with the primary circuit, adapted and configured to actively control fuel through the primary circuit in response to a control signal.

Variable restriction of a fuel circuit of a fuel nozzle

A fuel injector for a turbine engine includes a fuel scheduling valve configured for regulation of fuel flow from a fuel inlet, in response to fuel pressure received at the fuel inlet. Primary, secondary and auxiliary fuel circuits receive fuel from the scheduling valve, and an electrically-controlled valve is provided in fluid communication with the auxiliary circuit, which electrically-controlled valve is adapted and configured to actively control fuel through the auxiliary circuit in response to a control signal.

Proportional restriction of fuel nozzle with an auxiliary circuit

A method of forming a degassing system includes the step of forming a bundle of hollow tube membrane members by wrapping hollow tube membrane members to form the bundle at a temperature above 100° F. (38° C.). Another method of forming a degassing system includes the step of the inserting bundle into an outer canister at a temperature above 100° F. (38° C.). A fuel supply system made by these methods is also disclosed.

Membrane bundle for fuel deoxygenation with enhanced durability

A system includes a plurality of injectors each having a respective main circuit configured to be connected in fluid communication with one manifold for supplying fuel to each injector in the plurality of injectors. Each injector in the plurality of injectors includes a respective hydromechanical scheduling valve member configured to regulate fuel flow from a respective inlet to a respective nozzle of each injector of the plurality of injectors as a function of pressure input from the manifold to the respective main circuits. A valve block is connected in fluid communication with a respective auxiliary circuit in each injector in the plurality of injectors. The auxiliary circuit is operatively connected to adjust position of the respective scheduling valve member for actuating force modification of the scheduling valve member. The valve block is configured to control all of the injectors in the plurality of injectors as a block.

Banked force modification for fuel nozzles

A heat exchanger is disclosed which includes a plurality of heat exchanger plates. Each plate has a plurality of hollowed out pins arranged in a pin fin pattern. Each plate also includes an inlet aperture and an outlet aperture in fluid communication with one another. A plurality of heat pipes are defined by several of the plurality of hollowed out pins. A wicking material is arranged within the several hollowed out pins. A heat transfer fluid at least partially fills each heat pipe.

Heat exchanger with embedded heat pipes

An apparatus includes a heat sink and a post that supports the heat sink that is monolithically formed with the heat sink. The apparatus can further include a printed wiring board attached to a top side of the heat sink with electronic components attached to the printed wiring board, a plurality of posts integrated into a bottom side of the heat sink and extending outwards from the heat sink, wherein the heat sink and the plurality of posts are monolithically formed, and a heat pipe attached to the bottom side of the heat sink with a first end near an electronic component and a second end near one of the plurality of posts.

Heat pipe embedded heat sink with integrated posts

A component is provided including a body formed at least partially from a composite material. At least a portion of the composite material is covered by a plating. The plating includes a layer of electroless copper, a layer of electrolytic copper, a layer of nickel strike, and a finishing layer.

Metal plated wear and moisture resistant composite actuator

An electronics chassis for containing and supporting electronic components having different operating temperatures includes a plurality of thermally conductive walls forming an enclosure. There is a first heat dissipator in at least one of the walls having an external heat dissipator and a second heat dissipator in at least one of the walls having an external heat dissipator. There is a thermal isolator positioned in at least one of the walls to provide thermal isolation between the heat dissipators, and the thermal isolator includes a thermally insulating material.

Thermal separation of electronic control chassis heatsink fins

An apparatus includes a printed wiring board, a post that supports the printed wiring board, and a heat pipe on the printed wiring board with a first end positioned near an electronic component attached to the printed wiring board and a second end positioned near the post.

PWB cooling system with heat dissipation through posts

An electronic component and cooling system has a printed wiring board, which is planar. An electrical component is mounted on one side of the planar surface of the printed wiring board. A hood is positioned outwardly of the electronic component. Legs on the hood extend to the printed wiring board, and form an inner surface that is positioned away from the one side relative to the electrical component. A chassis has posts connected to the printed wiring board and on an opposed side of the planar surface of the printed wiring board from the electrical component. The chassis extends to a remote portion, beyond the printed wiring board. A heat pipe is generally elongate and positioned on an opposed side of the hood from the electrical component. The heat pipe extends to the remote portion of the chassis to transfer heat from the hood to the chassis.

Electronic component cooling hood and heat pipe

A system comprises a package with top and bottom surfaces, a plurality of high-power transient voltage suppressors arranged within the package, and a robust lead frame. Each of the transient voltage suppressors has first and second major surfaces substantially perpendicular to the top and bottom surfaces of the package. The lead frame comprises leads connected to the major surfaces of the transient voltage suppressors. Each of the leads has a thickness greater than about 0.015 inches (or 0.381 mm) in a mounting portion, in order to dissipate heat from the transient voltage suppressors and to resist vibration-induced stress on the package.

Vertical mount transient voltage suppressor array

A multi-hybrid module includes a plurality of hybrid assemblies that are perpendicularly mounted with respect to a plane of a circuit board. The hybrid assemblies are mounted on opposing sides of a heat sink. The heat sink has a first column disposed at a first end, a second column disposed at a second opposing end, and a generally flat center wall extending between the first column and the second column to which the hybrid assemblies are mounted. During operation the hybrid assemblies are mounted on edge perpendicular with respect to the circuit board to minimize an area profile of the multi-hybrid module on the circuit board.

Vertically mounted multi-hybrid module and heat sink

Growing community of inventors

East Granby, CT, United States of America

Jay W Kokas