EPP Water Heater Jacket for Peak Draw and Heat Loss Control
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Solution Overview
Problem
Conventional water heater appliances fail to efficiently balance peak draw and continuous draw performance, leading to inefficiencies and poor comfort, as they either fall short in providing sufficient hot water or waste energy due to excessive capacity.
Innovation Solution
A companion water heater system with an insulating jacket made of expanded polypropylene (EPP) that includes sensors and a circulator pump to optimize hot water delivery, along with a controller that adjusts energy input based on usage patterns and thermal profiles, ensuring efficient peak and steady-state performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If conventional water heater appliances use larger storage capacity to improve peak draw performance, then more hot water is available during peak demand, but energy waste increases due to excessive hot water storage
Solution Approach 1:
The water heater system dynamically adjusts its operational mode between peak draw mode and continuous draw mode based on real-time hot water demand detection. During peak demand periods, the system operates in peak draw mode utilizing stored hot water, while during low-demand periods, it switches to continuous draw mode heating water on-demand, eliminating the need for large continuous hot water storage and reducing energy waste from maintaining excess hot water supply.
Solution Approach 2:
The system changes operational parameters by switching between different heating modes (peak draw mode and continuous draw mode) based on detected hot water demand patterns. This parameter change allows the water heater to optimize performance characteristics dynamically, providing high storage capacity when needed while minimizing energy consumption during low-demand periods through on-demand heating operation.
2Loss of energy
If conventional water heater appliances reduce storage capacity to improve energy efficiency, then energy waste from hot water storage decreases, but peak draw performance deteriorates due to insufficient hot water availability
Solution Approach 1:
The water heater system dynamically adjusts its operational mode between peak draw mode and continuous draw mode based on real-time hot water demand detection. During peak demand periods, the system operates in peak draw mode utilizing stored hot water, while during low-demand periods, it switches to continuous draw mode heating water on-demand, eliminating the need for large continuous hot water storage and reducing energy waste from maintaining excess hot water supply.
Solution Approach 2:
The system performs preliminary heating actions during low-demand periods by operating in continuous draw mode, pre-heating water and maintaining a supply of hot water in the storage tank. This preliminary action ensures that sufficient hot water is available when peak demand occurs, resolving the contradiction between maintaining energy efficiency with smaller storage capacity and ensuring adequate hot water availability during peak draw periods.
3Quantity of substance
If conventional water heater appliances use larger storage tanks to improve first draw performance, then more hot water is available at the beginning of the draw, but device complexity and cost increase
Solution Approach 1:
The water heater system dynamically adjusts its operational mode between peak draw mode and continuous draw mode based on real-time hot water demand detection. During peak demand periods, the system operates in peak draw mode utilizing stored hot water, while during low-demand periods, it switches to continuous draw mode heating water on-demand, eliminating the need for large continuous hot water storage and reducing energy waste from maintaining excess hot water supply.
Solution Approach 2:
The water heater system achieves multiple performance objectives (peak draw performance, continuous draw performance, and energy efficiency) through a single multi-functional control system that detects hot water demand patterns and adjusts operational mode accordingly. This universal approach eliminates the need for separate systems optimized for different performance criteria, reducing overall device complexity while maintaining first draw performance through dynamic mode switching rather than requiring oversized storage tanks.
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 provides improved peak and continuous hot water performance, reducing energy waste and enhancing user comfort by dynamically adjusting energy input according to usage patterns and thermal profiles.
Implementation Method 1
The top, bottom, front and back include expanded polypropylene (EPP) configured to provide insulation to the hot water tank
Implementation Method 2
The circulator pump is to urge a flow of a heating fluid to circulate between a boiler and the heat exchange coil
Implementation Method 3
The heat exchange coil is disposed in the hot water storage tank
Data Source
AI summary
A jacket for a hot water heater appliance includes a top, bottom, front, back, and a fastener. The top is configured to insulate an upper portion of a hot water tank. The bottom is configured to insulate a lower portion of the hot water tank. The front is configured to insulate a front portion of the hot water tank. The back is configured to insulate a back portion of the hot water tank. The fastener is configured to releaseably fasten the front to the back. The top, bottom, front and back include expanded polypropylene (EPP) configured to provide insulation to the hot water tank.