Inventor

PIETRASZKIEWICZ EDWARD F

US68 patents

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

PIETRASZKIEWICZ EDWARD F

UNITED TECHNOLOGIES CORP

Airfoil with three-pass serpentine cooling channel and microcircuit

Airfoil cooling with staggered refractory metal core microcircuits

Airfoil with supplemental cooling channel adjacent leading edge

Reinforced airfoils

Dual cut-back trailing edge for airfoils

Manufacturable and inspectable cooling microcircuits for blade-outer-air-seals

Manufacturable and inspectable microcircuit cooling for blades

Turbine vane construction

Manufacturable and inspectable microcircuits

Impingement cooling of large fillet of an airfoil

Dirt separator for compressor diffuser in gas turbine engine

Dirt separator for gas turbine air supply

Turbine blade including revised trailing edge cooling

Turbine blade with radial cooling channels

Heat transferring cooling features for an airfoil

Serpentine platform cooling structures

Turbine blade trip strip orientation

Turbine airfoil cooling passageway

Article having diffuser holes and method of making same

Access port for dirt removal for gas turbine engine

Heat transferring cooling features for an airfoil

Mistake proof identification feature for turbine blades

Methods for applying a hybrid thermal barrier coating

Cooled turbine blade

Low loss airflow port

S-shaped trip strips in internally cooled components

Hybrid airfoil for a gas turbine engine

Cooling hole with crenellation features

Obtuse angle chevron trip strip

Mate face arrangement for gas turbine engine components

Low pressure loss cooled blade

Gas turbine engine serpentine cooling passage with chevrons

Ducting platform cover plate

Non-line of sight electro discharge machined part

MIRONETS SERGEY

Hybrid blade outer air seal for gas turbine engine

Hybrid airfoil for a gas turbine engine

Electric discharge machining hole drilling

PIETRASZKIEWICZ EDWARD F

Blade outer air seal

Blade outer air seal

Triangular serpentine cooling channels

GEN ELECTRIC

Cooled shroud

Turbine blade having tip slot

PROPHETER-HINCKLEY TRACY A

Gas turbine engine airfoil cooling circuit

Gas turbine engine airfoil cooling circuit

LEVASSEUR GLENN

Cooling hole with crenellation features

EDM method for multi-lobed cooling hole

SLAVENS THOMAS N

Modulated turbine vane cooling

PINERO SANDRA S

Turbine blade internal cooling configuration

FUNK STANLEY J

Method of measuring turbine blade tip erosion

GANNELLI JESSE

Method of creating an airfoil trench and a plurality of cooling holes within the trench