Inventor

MARRA JOHN J

US37 patents

⚠️ This page may combine multiple inventors who share the name “MARRA JOHN J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MARRA JOHN J

LEE CHING-PANG

Airfoil incorporating tapered cooling structures defining cooling passageways

Turbine component cooling channel mesh with intersection chambers

Cooling system having reduced mass pin fins for components in a gas turbine engine

Integrated axial and tangential serpentine cooling circuit in a turbine airfoil

Compound cooling flow turbulator for turbine component

Component cooling channel

Ambient air cooling arrangement having a pre-swirler for gas turbine engine blade cooling

Cooling module design and method for cooling components of a gas turbine system

Aft outer rim seal arrangement

MARRA JOHN J

Ductile alloys for sealing modular component interfaces

Turbine blade damping device with controlled loading

Snubber assembly for turbine blades

Turbine airfoil fabricated from tapered extrusions

Turbine blade having a constant thickness airfoil skin

Turbine airfoil with outer wall thickness indicators

Low pressure cooling seal system for a gas turbine engine

Component with inspection-facilitating features

UNITED TECHNOLOGIES CORP

Rotor balance system

Method of balancing a rotor

Method and system for designing a low pressure turbine shaft

Method and system for designing a spline coupling

Seal accommodating thermal expansion between adjacent casings in gas turbine engine

CAMPBELL CHRISTIAN X

Damping element for reducing the vibration of an airfoil

Turbine airfoil to shround attachment

Turbine blade and non-integral platform with pin attachment

MIKRO SYSTEMS INC

Cooling module design and method for cooling components of a gas turbine system

Component cooling channel

SIEMENS ENERGY INC

Turbine blade damping device with controlled loading

Turbine blade and non-integral platform with pin attachment

US ARMY

Tuned mass damper for integrally bladed turbine rotor

MAYER CLINTON A

Cooled snubber structure for turbine blades

VITT PAUL H

Cooled airfoil in a turbine engine

MAZZOLA STEFAN

Turbine airfoil having outboard and inboard sections

MARSH JAN H

Cooling system with compressor bleed and ambient air for gas turbine engine

LOHAUS ANDREW S

Vane array with one or more non-integral platforms

SIEMENS AG

Attachment system for a turbine airfoil usable in a gas turbine engine

CAMPBELL JR CHRISTIAN X

Turbine airfoil with ambient cooling system