Derk S Philippona

7013635, Mar 21, 2006

Dec 30, 2003

10/748531

Jeffrey M. Cohen - Hebron CT, US
Scott A. Liljenberg - Wethersfield CT, US
Andrzej Banaszuk - Simsbury CT, US
Derk S. Philippona - Tolland CT, US
Jeffery A. Lovett - Tolland CT, US

United Technologies Corporation - Hartford CT

F02K 3/10

60204, 60725, 60761

An augmentor system minimizes acoustic pressure fluctuations on the heat release process within the augmentor by staggering the vanes therein. The alternating axial vane stagger pattern arranges the downstream set of vanes as baffles which prevent the propagation of tangential acoustic waves between the vanes to protect the upstream set of vanes from the effects of transverse acoustic velocity fluctuations which minimizes screech without substantially affecting augmentor performance.

7712315, May 11, 2010

Apr 20, 2006

11/407668

Donald J. Hautman - Marlborough CT, US
Derk S. Philippona - Tolland CT, US

United Technologies Corporation - Hartford CT

F02K 3/10

60763, 60765

A flameholder for an augmentor rotates about an axis radially positioned with a turbine engine. The flameholder is in a streamlined position when the augmentor is not operating to minimize pressure loss and radar cross-section and a turbulent position when the augmentor is operating. A linkage connects the flameholder to an actuator to control the rotational position of the flameholder on the axis. Bypass airflow from the fan cools the flameholders and linkages. The length of the linkages can be varied from one flameholder to another to create asymmetric heat release within the augmentor to avoid screech.

20100101208, Apr 29, 2010

Oct 29, 2008

12/260436

Jeffery A. Lovett - Tolland CT, US
Derk S. Philippona - Tolland CT, US

UNITED TECHNOLOGIES CORP. - Hartford CT

F23R 3/20

60204, 60761, 60772

Systems and methods reducing thermo-acoustic coupling of a gas turbine engine augmentors are provided. In this regard, a representative method includes: determining acoustic resonances and heat release phase relationships associated with the augmentor; and determining relative axial positions of a fuel injector and a flame holder of the augmentor that result in reduced thermo-acoustic coupling of the augmentor during operation.

56851405, Nov 11, 1997

Jun 21, 1995

8/493030

Thomas R. Clements - Palm City FL
Derk S. Philippona - Palm Beach Gardens FL

United Technologies Corporation - Hartford CT

B63H 1100

60204

A method for distributing fuel within a gas turbine engine is provided. An augmentor is provided which includes a plurality of vanes. Each vane includes a pair of side walls, an aft wall, and a plurality of fuel apertures and pressurized gas apertures extending through the side walls. At least one of the pressurized gas apertures is positioned adjacent and forward of all fuel apertures at a particular position. At least one fuel distributor is provided in each vane. Fuel admitted into the fuel distributors flows into the core gas path in a direction substantially perpendicular to the core gas path. Gas admitted into the vanes at a pressure higher than that of the core gas flow, flows a distance into the core gas path in a direction substantially perpendicular to the core gas path. Fuel is selectively admitted into the fuel distributors when the augmentor is enabled. Pressurized gas entering the core gas path forward of the fuel creates a low velocity wake that enables the fuel to distribute circumferentially.

57750980, Jul 7, 1998

Jun 30, 1995

8/496989

Derk S. Philippona - Palm Beach Gardens FL

United Technologies Corporation - Hartford CT

F02K 302

602263

A bypass air valve is provided comprising a liner, a strap, and apparatus for selectively actuating the valve. The liner includes an inner surface, an outer surface, a plurality of first regions, and a plurality of second regions. Each first region includes a plurality of first apertures. The strap includes a plurality of openings and a plurality of third regions. The third regions include a plurality of second apertures. The valve may be selectively actuated into an open position where the first regions are in communication with the openings, and the third regions are in communication with the second regions. The valve may be selectively actuated into a closed position where the first regions are in communication with the third regions, and the second regions are in communication with the openings. The flow path through the first and second apertures in the closed position impedes flow substantially more than the flow path through the first apertures and the openings in the open position, thereby effectively closing bypass air flow through the valve in the closed position.

20160273391, Sep 22, 2016

Sep 4, 2014

15/029525

- Hartford CT, US
Christopher R. Brdar - Rocky Hill CT, US
Derk S. Philippona - Tolland CT, US

F01D 25/30
F01D 25/14

A component for a gas turbine engine includes a substrate with a substrate aperture and a coating on the substrate that extends a length of the substrate aperture. A liner assembly for a gas turbine engine includes a hot sheet with a multiple of apertures and a coating on the hot sheet that extends a length of each of the multiple of apertures. A method of forming an aperture to provide film cooling in a component of a gas turbine engine, includes forming a multiple of substrate apertures in a substrate. Each of the multiple of substrate apertures defines a substrate inner periphery. A coating is applied on the substrate after forming the multiple of substrate apertures to define a coating inner periphery at least partially within each of the multiple of substrate apertures. The coating inner periphery is smaller than the substrate inner periphery.

20160228996, Aug 11, 2016

Feb 9, 2015

14/616842

- Farmington CT, US
Steven W. Burd - Cheshire CT, US
Derk S. Philippona - Tolland CT, US
Robert J. Sayers - East Hartford CT, US

B23K 31/02
B23K 3/08
B23K 1/00

An assembly may comprise a first part including a first surface, and a second part including a second surface and a bottom edge having sloped regions and at least one well between the sloped regions. The assembly may further comprise a brazed joint joining the first surface to the second surface. The at least one well may be configured to collect excess braze material from the brazed joint.