engine design

AmeriBand LLC was founded in 2006 by Dr. Robert A. Knezek, PhD. The company owns six US patents related to a Continuously Variable Displacement (CVD) engine design, including a new Piston Control Mechanism and a Hydraulic Valve Actuation System. The AspireCVD engine concept aims to deliver the power of a RAM truck with the fuel efficiency of a hybrid, using less raw material and energy to produce and transport.

hydraulic valve actuation systempiston control mechanism

Cobra AERO was established in 2012 to create a safer, more connected world through the precise application of advanced engine technology. It combines deep engine design expertise, world-class development facilities, and manufacturing capabilities. Initially focused on engines for small unmanned aircraft, it adapted to other markets. Part of the Cobra family of companies, which designs, develops, and manufactures roughly 2000 propulsion systems per year for specialty markets including racing, fire fighting, aerospace, surface, and underwater vehicles.

developmentmanufacturingpropulsion technology

DeltaHawk Engines, Inc. develops, produces and provides propulsion products and services for general aviation. Founded in 1996, the company designs jet-fuel-powered piston engines, including the DHK180, and achieved FAA Type Certification in 2023 for its clean sheet piston engine design. Based in Racine, Wisconsin, it designs, assembles and tests critical engine components in-house.

assemblyfabricationflight testinstallation kit developmentISO Class 8 clean roomstesting

Desert Aircraft is the industry leader in giant scale model airplane engines. The company designs, builds, and services its engines at its Tucson, Arizona factory, which features a CNC machine shop along with quality control and R&D departments. Founded proudly since 1992 and made in the USA, Desert Aircraft focuses on performance, quality, and customer service, and is a large sponsor of giant scale aircraft events.

after-sale tech supportCNC machiningengine manufacturingengine service and repairquality controlR&D

Engine Systems Innovation, Inc. (ESI-Inc.) is an automotive-focused consulting firm founded by Steve Arnold that designs and develops turbochargers and engine efficiency technologies. It offers consulting, analysis, and training services, and licenses patented technologies including the Continuously Variable Displacement (CVD) Engine, PureFlow Compressor, and Variable Volute Turbine.

3D ModelingCFDconsultingfinite element analysisforensics and root cause determinationmulti-body dynamicsrotordynamicstrainingturbocharger design