Enhanced convection, differential temperature managed, hydronic heating appliance

Solution Overview

Problem

Current hydronic heating systems are inefficient due to complexity, high energy consumption, and variability in performance, largely due to the use of multiple pumps, valves, and controllers, which result in non-optimum performance and high costs.

Innovation Solution

A compact, integrated hydronic heating system utilizing a high-mass heat source coupled with a single, variable-speed circulator and integrated zone valving, eliminating internal flow check valves and incorporating a Delta-T managed system for efficient convection and reduced head pressure, featuring a three-pass boiler configuration and near-boiler piping for enhanced distribution efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple pumps, valves, and controllers are used in hydronic heating systems, then system functionality and zone control are improved, but device complexity and installation costs increase

Engineering Contradiction:
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent combines multiple zone valves into a single integrated zone valve assembly that serves multiple heating zones. This consolidation reduces the number of separate components while maintaining the ability to control different zones independently, thereby reducing system complexity without sacrificing adaptability

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The integrated zone valve assembly is designed to perform multiple functions simultaneously - controlling flow to multiple zones, providing differential temperature management, and enabling both radiant and forced air heating modes through a single multi-functional component

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Device complexity

If fixed-speed circulators are used in hydronic systems, then system simplicity is maintained, but energy consumption increases

Engineering Contradiction:
Core Design Contradiction:
Device complexityVSUse of energy by moving object

Solution Approach 1:

The patent employs a variable-speed circulator that dynamically adjusts its operation based on actual system conditions and differential temperature requirements. This dynamic control allows the circulator to operate at optimal speeds rather than running at constant high speed, significantly reducing energy consumption while maintaining effective water circulation

Inventive Principle:
Principle #15Dynamics

3Quantity of substance

If conventional hydronic distribution systems are installed with extensive piping and components, then system capacity is increased, but head pressure increases and flow efficiency decreases

Engineering Contradiction:
Core Design Contradiction:
Quantity of substanceVSStress or pressure

Solution Approach 1:

The patent extracts and eliminates unnecessary intermediate components and excessive piping from the hydronic distribution system. By removing redundant elements that create unnecessary resistance, the system achieves better flow efficiency and reduced head pressure while maintaining adequate distribution capacity

Inventive Principle:
Principle #2Taking out (Extraction)

4Stability of the object's composition

If internal flow check valves are installed in hydronic systems, then convection control is improved, but circulation resistance and energy consumption increase

Engineering Contradiction:
Core Design Contradiction:
Stability of the object's compositionVSLoss of energy

Solution Approach 1:

The patent removes internal flow check valves from the hydronic system circulation path. By eliminating these restrictive components, the system reduces circulation resistance and energy consumption while maintaining proper convection control through alternative design features

Inventive Principle:
Principle #2Taking out (Extraction)

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 solution reduces system complexity, increases reliability, and lowers energy consumption by optimizing hydronic distribution, achieving up to 85% electrical power savings and 15% fuel savings, with extended appliance life and reduced installation risks.

Implementation Method 1

A compact, integrated hydronic heating system utilizing a high-mass heat source

Methodology Applied
Scientific EffectThermal mass: Thermal Energy Storage

Implementation Method 2

Hydronic convection is the natural attribute of heated water to rise and thus convect (flow) in a closed loop

Methodology Applied
Scientific EffectHydronic convection: Convection

Implementation Method 3

featuring a three-pass boiler configuration and near-boiler piping for enhanced distribution efficiency

Methodology Applied
Scientific EffectHeat exchange: Heat Exchanger

Data Source

PatentUS10690356B2Enhanced convection, differential temperature managed, hydronic heating appliance
Publication Date: 2020.06.23
  • US10690356B2 patent drawing
  • US10690356B2 patent drawing
  • US10690356B2 patent drawing

AI summary

A system, apparatus, and method for a differential temperature managed integral, free standing, hydronic heating appliance uses a high-mass heat source coupled to a single, highly-efficient, variable speed, Electronically Commutated Motor (ECM)-driven Delta-T stand-alone system circulator which feeds one or more zone valves governing flow to one or more hydronic zones. Components are integrated into simplified, compact, assemblies. Zone valve packaging of a compact header improves hydronic performance (head pressure reduction and increased flow), complementing zone valve performance and reducing zone valve wiring labor and material content. Returns have full port valves and the boiler includes isolation valves. All manually activated valves are full port. This can include full port boiler isolation valves, circulator isolation valves and return valves. Paralleled, ganged, alignment of state-indicating-lamped zone valves provides rapid, functional indication of component and system performance while the need for a zone valve panel commonly found on hydronic heating systems is negated.