Nanofilament Pump Assembly for Energy Conversion Efficiency
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Solution Overview
Problem
Current energy conversion systems using nanofilaments for fluid flow and energy conversion lack efficiency in harnessing thermal and electrical inputs to enhance fluid flow and energy generation.
Innovation Solution
A nanomechanical and nanoelectromechanical pump assembly utilizing thermally generated power and carbon nanotubes or graphene nanofilaments to create or enhance fluid flow, with optional electrical input for increased efficiency, integrated with a generator to convert fluid flow into electrical energy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If nanofilaments are used to convert thermal energy to fluid flow, then fluid flow is generated, but energy conversion efficiency is insufficient
Solution Approach 1:
The patent combines thermal energy conversion and electrical energy conversion in a single integrated energy conversion device. The nanofilament assembly can receive both thermal input (causing thermal vibration) and electrical input (causing electrostatic oscillation), and both inputs contribute to fluid flow generation through the same nanofilament-driven mechanism, thereby improving overall energy conversion efficiency and reducing energy loss.
Solution Approach 2:
The patent utilizes parameter changes in the nanofilaments by switching between thermal vibration (driven by temperature changes) and electrostatic oscillation (driven by electrical potential changes). The system can adjust the operating parameters (temperature, electrical voltage) to optimize the conversion efficiency under different conditions, thereby improving productivity while managing energy loss.
2Productivity
If only thermal input is used to vibrate nanofilaments, then fluid flow is created, but energy conversion efficiency is limited
Solution Approach 1:
The patent merges thermal energy input and electrical energy input to drive the same nanofilament assembly. The electrical input provides an additional energy pathway that can enhance fluid flow generation more efficiently than thermal input alone, as electrostatic oscillation can be more directly controlled and converted to mechanical motion of the nanofilaments.
Solution Approach 2:
The nanofilament assembly is designed to perform multiple functions: it can respond to thermal energy (thermal vibration), electrical energy (electrostatic oscillation), or both simultaneously. This multi-functionality allows the system to optimize energy conversion efficiency by selecting the most efficient energy input mode depending on the application requirements.
3Loss of energy
If electrical input is added to enhance fluid flow, then energy conversion efficiency improves, but device complexity increases
Solution Approach 1:
The patent combines thermal and electrical energy conversion pathways in a single integrated device structure, where the same nanofilament assembly responds to both types of energy input. This merging approach improves energy conversion efficiency without requiring separate devices or complex multi-stage conversion systems, thereby minimizing the increase in device complexity.
Solution Approach 2:
The energy conversion device is designed with universal functionality to accept both thermal and electrical energy inputs and convert them to fluid flow through a common mechanism (nanofilament vibration/oscillation). This multi-functional design avoids the need for multiple specialized components, thus improving energy efficiency while keeping the device structure relatively simple.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system effectively converts thermal and electrical inputs into enhanced fluid flow and electrical energy, demonstrating increased efficiency and potential for powering devices such as smartphones and vehicles.
Implementation Method 1
The nanofilaments are operable to vibrate in response to thermal forces
Implementation Method 2
utilize thermally generated power to create or enhance fluid flow
Implementation Method 3
the nanofilaments are operable to be intermittently electrostatically attracted to the electrically conductive surface
Implementation Method 4
integrated with a generator to convert fluid flow into electrical energy
Data Source
Figure 1
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Figure 2B
AI summary
Nanomechanical, nanoelectromechanical, and other molecular-scale pump assemblies are described. In certain embodiments, the pump assembly includes a cavity. The cavity includes a plurality of nanofilaments, a surface proximate at least one of the nanofilaments, a fluid flow path, and an opening. Molecules of a fluid that flows from the opening through the cavity along the fluid flow path collide with the surface or one or more of the nanofilaments such that the molecules are accelerated along the fluid flow path. A molecular-scale pump assembly includes a plate defining a plurality of openings, and a plurality of cantilevered molecular-scale beams positioned over each opening. In certain embodiments, molecules of a fluid are accelerated through the opening by asymmetric oscillation and in other embodiments charges are guided along a conductive channel by asymmetric collisions.