
Propulsion & Engine Thermal Management
Reliable Thermal Management for High-Performance Engines
Proven Cooling Solutions for Demanding Propulsion Systems
Aircraft propulsion systems operate under extreme thermal and pressure conditions, requiring highly engineered cooling solutions to maintain performance and durability. Hughes-Treitler designs compact, lightweight heat exchangers that manage engine heat loads while meeting strict aerospace requirements for reliability, efficiency, and lifecycle performance.

Engine Surface Coolers
Custom-designed surface coolers that manage heat directly at the engine structure, improving thermal stability and system durability. Built for tight integration, these solutions support high-performance engines across aerospace applications.

Air-Cooled Oil Coolers
Air cooled oil coolers are engineered heat exchangers designed to regulate oil temperature in demanding systems by using ambient air as the cooling medium. These units transfer heat away from circulating oil through a durable fin-and-tube or plate-fin core, allowing equipment to operate within optimal temperature ranges without relying on water-based cooling.

Buffers / Pre-Coolers
Buffer coolers and pre-coolers are specialized air-to-air heat exchangers designed to manage high-temperature airflow in demanding aerospace and defense systems. These units regulate and reduce the temperature of bleed air and other high-energy streams before they reach downstream components, supporting stable operation and long-term durability.

APU Cooling Solutions
APU (Auxiliary Power Unit) cooling solutions are specialized heat exchanger systems designed to manage thermal loads in compact gas turbine units that provide on-board power for aircraft systems. These solutions regulate temperatures within lubrication, air, and auxiliary subsystems, supporting stable operation across ground and flight conditions.
Supporting Specialized Industries
For more than 75 years, AMETEK Hughes-Treitler has developed custom-engineered heat exchanger solutions for specialized aerospace, defense, and high-performance vehicle applications where reliability, durability, and thermal performance are essential. From aircraft engines and Environmental Control Systems to military vehicles and UAVs, HT's deep engineering expertise allows it to deliver tailored thermal management solutions designed to meet the unique requirements of each platform.
.jpg%3Fh%3D750%26iar%3D0%26w%3D1000&w=3840&q=75)
Markets
A Legacy of Cooling Military Aircraft
For more than 75 years, AMETEK Hughes-Treitler has provided advanced thermal management solutions for military aerospace propulsion systems, supporting many of the industry’s most demanding defense platforms. Our custom-engineered heat exchangers, including fuel-cooled oil coolers, air-cooled oil coolers, precoolers, and buffer coolers, are designed to meet the specific requirements of each application while delivering dependable performance in challenging operating environments. Built for durability and long service life, these solutions help manage heat effectively, support engine efficiency, and maintain reliability throughout the mission lifecycle.
.jpg%3Fh%3D750%26iar%3D0%26w%3D1000&w=3840&q=75)
Markets
Commercial Aerospace
AMETEK Hughes-Treitler designs heat exchangers for commercial aircraft and APU systems, supporting platforms including the Airbus A350, Boeing 787, 777 and 747-8, COMAC C919, MC-21, C-130J, Gulfstream G150 and G280, Embraer Legacy and ERJ aircraft, Cessna Citation Sovereign, and Mitsubishi Regional Jet programs.

Markets
UAV Platforms
Propulsion and thermal management play a major role in UAV performance, affecting endurance, reliability, and power efficiency. As platforms become more compact and capable, thermal systems must manage heat from engines, motors, batteries, power electronics, and avionics. We develop custom heat exchangers and thermal management solutions that help UAV manufacturers maintain reliable performance in demanding environments. Backed by decades of aerospace experience, we deliver durable, application-specific systems designed to support extended flight operations and high-power applications.

Proven Performance
Engine Oil Cooler
Designed for a major turbofan engine, the 70147-000 Oil Cooler provides efficient, lightweight thermal management for both commercial and military aerospace platforms. Its rugged aluminum construction and air-cooled finned design deliver 82,800 BTU/hr of heat rejection while maintaining reliable oil cooling performance in demanding flight environments.
Our Solutions
Hughes-Treitler delivers thermal management solutions for a wide range of aerospace applications, including propulsion systems, lubrication cooling, fuel thermal management, environmental control systems, and power electronics. Our compact, lightweight heat exchangers are engineered to meet the demanding performance, reliability, and efficiency requirements of both commercial and military aircraft platforms.
