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  1. Home
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2017
Entries

Calculation of the Critical Frequency foF2

This worksheet was developed to calculate the critical frequency of the Ionospheric Layer F2, F1, E, and D. What are these Ionospheric Layers? They are used to make the reflection or return of a wave or radio frequency to the Earth, allowing a radio communication in the frequencies of HF between two points,

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Miguel Kassis
Curitiba, Brazil
Votes: 2
Views: 4588
Electronics/​Sensors/​IoT
Jun 30, 2017

Calibrated Braking System Using Compressor Action With Deactivated Fuel And Ignition

INTRODUCTION
This project aims at providing a new method of Regenerative Braking, by deactivating fuel supply and ignition during periods of braking and providing a valve to divert the outlet air from the cylinder to a storage tank, acting as a reciprocating compressor. Energy is spent in compressing the air and hence, slows down the vehicle,

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Praveen S
Chennai, India
Votes: 0
Views: 2389
Automotive/​Transportation
Jul 1, 2017

Capture Waste Heat from Draining Shower Water

The water flowing down the shower drain contains a lot of heat that is wasted. Using average flow rates and temperatures from the EPA, the wasted power is 18 kilowatts. The average flow rate is 2.5 gallons / minute and the drain water is 50°F hotter than the water entering your house.

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Paul Howard
Reston, United States
Votes: 4
Views: 3456
Sustainable Technologies
Jun 17, 2017

Car Breath Analyzer

In order to prevent accidents ALL vehicles should be equipped with a breath analyzer. The driver has to give a breath sample before he starts the engine. If alcohol is consumed beyond the limit, the vehicle engine will not start and if the breath sample doesn't contain alcohol then the engine circuit will be closed and the vehicle will start.

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Guru Vishnu Kavali
Kadapa, India
Votes: 1
Views: 2287
Automotive/​Transportation
Apr 6, 2017

CarBidet ® Car Bottom Washer

CarBidet ® Car Bottom Washer

PROBLEM:

Salt and other chemicals rust undercarriage components. Car-bottom rust is dangerous and expensive.

The undercarriage is vulnerable to damage due to lack of care. Salt and mud damage is a safety issue -- many undercarriage components cannot be rustproofed. The greatest need for non-collision car repair results from preventable undercarriage rust.

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John Bakas
Iowa City, United States
Votes: 0
Views: 2250
Automotive/​Transportation
Jun 26, 2017

Carbon Blocks for Atmospheric Carbon Sequestration

This submittal addresses further development of Carbon Blocks per provisional patent BJR 17-001 Prov, Carbon Blocks Made from Photosynthetic Plant Biomass for Long Term Sequestration of the Carbon from Atmospheric Carbon Dioxide, and Process for Manufacture (4/5/17). These blocks provide an extremely simple, but effective, measurable,

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Brian Rampolla
Pgh, United States
Votes: 1
Views: 2789
Sustainable Technologies
Jul 3, 2017

Cardiac Rhythm Management with an Atraumatically Anchored, Multichamber Epicardial Lead

Disease State: Heart failure and irregular heart rhythms (arrhythmias) result in about 1M people in the US implanted with pacing systems comprised of a pacemaker device and from 1 to 3 leads attached to the inside of the heart chambers or coronary vessels.

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Andreas Pfahnl
Eden Prairie, United States
Votes: 1
Views: 4019
Medical
Jun 28, 2017

Casey Success Every Time

In Manufacturing companies, the most critical success factor is the way the product functions in the hands of the customers. The concept of Zero Defects is the result of every operator in the factories doing their tasks correctly every time. When any single element is not right,

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John Casey
Waterford, United States
Votes: 0
Views: 2302
Consumer Products
Jul 1, 2017

Catch all Harvest Concept

The Catch all Harvest concept

Goals-Increase agricultural production and profitability. Low cost, low technology and easy installation.

The concept is designed to reduce wasted produce that falls to the ground.

A net beneath the tree or bush (the illustrations are for apple orchards). A collecting path to a storage bin below each tree.

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Dow Brain
Catskill, United States
Votes: 1
Views: 2457
Sustainable Technologies
Apr 11, 2017

Catheter with Dedicated Flushing Port

Post-operative patients who have had bladder or prostate surgery are often hospitalized several days for Continuous Bladder Irrigation, or CBI. A 3,000 ml bag of sterile water or saline hangs above the patient and drips through a tubing into a three way catheter placed in the bladder,

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Jane Allen
Cedar Falls, United States
Votes: 0
Views: 2357
Medical
Jun 20, 2017

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