Company Profile

Company Name: Hamilton Sundstrand
Parent Company: RTX (Raytheon Technologies Corporation) – under Collins Aerospace
Country of Origin: United States
Headquarters Location: Windsor Locks, Connecticut, USA
Founded: 1999 (merger of Hamilton Standard and Sundstrand Corporation)
Core Competencies: Aerospace subsystems, electric power systems, environmental control systems, actuation, and propulsion components
Markets Served: Commercial aviation, military aviation, space systems, rotorcraft, marine, and industrial sectors

Note: Hamilton Sundstrand is now fully integrated into Collins Aerospace but still widely referenced for its legacy systems and components.

Product Taxonomy

I. Aircraft Power Systems

Electric Power Generation & Distribution

  • Integrated Drive Generators (IDGs) – Used in commercial and military aircraft

  • Variable Frequency Generators (VFGs) – Power supply for modern aircraft like the F-35 and 787

  • Ram Air Turbines (RATs) – Emergency power for aircraft such as A320, 737, and 787

  • Secondary Power Distribution Systems – Electrical load management and circuit control

II. Environmental & Thermal Management Systems

Environmental Control Systems (ECS)

  • Air cycle machines – Used for cabin pressurization and cooling (e.g., on A320, 737, F-22)

  • Liquid Cooling Systems – Used in electronics and radar cooling (e.g., on F-35)

  • Heat Exchangers and Vapor Cycle Systems – Integrated thermal regulation

Cabin Pressure and Ventilation

  • Outflow Valves and Controllers – Cabin pressurization regulation

  • Cabin Air Recirculation Fans – Part of onboard ventilation systems

  • Temperature Sensors and Controllers – Climate management for crew and passengers

III. Actuation Systems

Hydraulic and Electric Actuators

  • Primary Flight Control Actuation – Used on F-22, F-35, and commercial jets

  • High-Lift Actuation Systems – Leading/trailing edge flap systems

  • Landing Gear Actuation – Hydraulic and electromechanical actuation for retraction systems

Door and Cargo Actuation

  • Cargo Door Actuators – For commercial and military transport aircraft

  • Utility Actuation Systems – Ramp actuators and door systems for C-130, C-17, A400M

IV. Engine Systems and Components

Fuel Systems

  • Fuel Pumps – Engine-driven and electric, for both turbofan and turboshaft engines

  • Fuel Control Units – Integrated into Full Authority Digital Engine Control (FADEC) systems

  • Metering Units and Nozzles – High-pressure metering and injection

Lubrication Systems

  • Oil Pumps – For turbine engine lubrication

  • Reservoirs and Coolers – Oil storage and heat exchange

  • Filters and Valves – For thermal management and contamination control

V. Space Systems

Life Support & Power Systems

  • Extravehicular Mobility Units (EMU) – Spacesuit systems used by NASA

  • Oxygen Generation and CO₂ Removal Systems – Used in the International Space Station

  • Fuel Cells and Electrical Systems – Used on spacecraft (e.g., Space Shuttle, Orion)

VI. Avionics and Sensors

  • Pitot Static Systems – Air data sensing and pressure probes

  • Angle-of-Attack (AOA) Sensors – Flight data input for military and commercial aircraft

  • Proximity Sensors – Landing gear and door position sensing

  • Motor Controllers and Smart Power Distribution Units (SPDUs) – Integrated avionics power interfaces

VII. Marine and Industrial Systems

  • Electric Propulsion Motors – Submarines and underwater vehicles

  • Power Conversion Systems – Used in naval and power grid applications

  • Environmental Control Units (ECUs) – For military ground vehicles and shelters