2018
Automotive/Transportation

Function – It is a circular internal combustion engine. Pistons are attached to a pair of rotating wheels (flywheels) connected to a central driveshaft. The pistons rotate in separate channels, one for combustion and one for compression which encircle the assembly. A slotted rotating ring crosses both channels vertically creating a chamber between itself (the bulkhead) and each piston. Fuel is injected into this temporary chamber and is ignited. The combustion forces the piston forward to the next rotating rotary valve. A slot in that valve allows the piston to pass then quickly closes behind the piston repeating the previous action. Pistons are located equidistant and function simultaneously. The compressor is nearly identical to the combustor with the exception ...

NASA Langley Research Center has developed a portfolio of technologies regarding clock synchronization in distributed systems. Distributed synchronous systems that are required to provide globally coordinated operations require each component (node) in the system to be precisely synchronized. Such systems could include electronic components within an aircraft or automobile, or large-scale networks of components that communicate with each other (e.g. multiple aircraft or automobiles). NASA's technologies provide for very quick synchronization while tolerating various faults. These protocols provide distributed autonomous synchronization (i.e. no master clock signal required) and do not rely on any assumptions regarding the initial state of the system or internal status of the nodes.

Benefits

•Distributed autonomous synchronization
•Rapid convergence time
•Fast error detection and recovery
•Low communication overhead single bit ...

Experimental aircraft are not new. Balloons are not new. But one vehicle which could make conventional ballooning more enjoyable migth be a "sit-and-spin" type design. As envisioned a high powered nacelle with a 360 degree turnable propulsion propellor or exhuast stream would allow the pilot and passengers to turn a wheel in any direction of compass. If balance becomes a problem then slow down speed or have a sychonized or shafted dual motor or windvane poking out of top of conventional hot-air balloon. That is the gist of the idea. Under basket motor with wheel in ...

With the main target of improving fuel consumption, one of the biggest challenges on harness wiring industries is to reduce weight of the assembled harness. Based on that, research on alternatives to copper wires started with the replacement of copper by aluminum cores which are more cost effective and around 48% weight reduction. This reduction is particularly important as improving fuel consumption will reduce carbon dioxide emissions. However, replacing copper by aluminum is far from an easy process, especially when connecting the aluminum wires with terminals which are mainly composed by copper alloys and when submitted to wet salted environments a galvanic corrosion process starts and all aluminum from the core disappears.

The method to avoid corrosion is protecting ...

GREAT PLAINS DIESEL TECHNOLOGIES, L.C. (GPDT)

GPDT offers continuous direct control of diesel fuel injector needle lift, to control fuel injection flow rate. This is but one application of a robust, durable mechatronic actuator technology.

Origins

In the early 2000s, increasing the speed at which a fuel injector could open and close helped reduce emissions. A faster solenoid was needed to more rapidly shuttle the injector servovalve which in turn directed fuel pressure to only open or close the injector needle. First applied to injectors in 1913, physics limits solenoid speed.

United States Patent 7,255,290 embodies a theory for how to speed up the servovalve using a different actuator technology. After 7,255,290 issued, GPDT was incorporated to test the speed theory.

Key Features

Indestructible quantum ...

In India the majority of the people use a 2 wheeler instead of a 4 wheeler all throughout the year except for rainy seasons. The major advantage of a 2 wheeler over a 4 wheeler is that it requires less parking space. In the rainy season people mostly use 4 wheeler in spite of the parking issues to get protection from the rain. This causes a lot of traffic since the size of the roads in most of the places in India are designed to handle a 2 wheeler traffic.

The major motive of this project is that it will reduce the issues related to the traffic and also its cost would be lower than a convertible 4 wheeler. ...

The Go Kart is a type of open wheel car. Go Karts come in all shapes and size, from motor-less models to high powered racing machines. Some such as Super Karts are able to beat racing cars or motorcycles on a long circuit. It is a small four wheeler run by an I.C Engine. It is a miniature of a racing car. Go Kart is not a factory made product; it can be made by engineers.

This report documents the process and methodology to produce a low cost go kart. Nowadays the go kartss which are available in the market cost more than Rs.1 lakh. We have made a simple, self-fabricated go kart for just 50000 rupees. The chassis ...

This counter rotating fan design would be usable for Hyperloops as well as commercial bullet trains. With respect to a single fan design, counter rotating fans offer a higher pressure ratio, over 6% increased efficiency, lower rotations per minute, and lower power requirements. As seen in aircrafts in the form of propellers, using counter rotating fans fundamentally cancels all torque on the craft. For the modern bullet train virtually all air drag would be neutralized. As vacuuming the entire Hyperloop tube is neither feasible or cost-effective, partial pressure would be kept in the tube. Hyperloop would have counter rotating fans on the nose of the pod to actively transfer high pressure air from the front to the rear of ...
With our world becoming more interconnected, transportation and distribution are vital. With this versatile Hyperloop design, both supersonic pedestrian transport and incredibly fast and efficient product distribution are possible. Hyperloop consists of a pod or capsule inside a tube. To overcome the Kantrowitz limit for the Hyperloop, counter rotating fans on the nose actively bypass flow through the pod, transferring high pressure air from the front to the rear of the vehicle. Moreover, this aerodynamic system provides a higher pressure ratio, lesser power requirement, and lesser weight for the system as a whole. The fans serve other purposes, solving the issue of creating a low friction suspension system at near sonic speeds (proving to work at speeds of Mach ...

Drone Air’s UAV is the perfect flying solution to any delivery challenge. Drone Air Delivery (DaD) is manufactured using the latest modern manufacturing method to keep costs down. The DaD is made out of direct metal printing with a laser sintering method. The hollow frame is unique to the market, offering complete flexibility to future designs. Also the hollow frame allows it to not only cool the electronics faster than the conventional drone technology, but it also allows more room for more equipment. The DaD motor pods are screwed on with our T- nut knurled knobs. The identifiable bullet connectors are uniquely designed to match only on the pod it was designed for. There are no exposed wires like ...

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