System and method for refrigeration and thermal conditioning of a body

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Solution Overview

Problem

Current refrigeration and thermal conditioning systems for applications like ice buckets and electric vehicle batteries are inefficient due to reliance on electrical heating and poor compatibility between materials, leading to slower heating, energy wastage, and contamination risks.

Innovation Solution

A dual-circuit system using two coolant reservoirs at different temperatures, one cold and one hot, operating in alternating manner for efficient refrigeration and thermal conditioning, with a heat recovery element to optimize energy use and reduce electrical heating reliance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If electrical heating means are used for thermal conditioning, then heating function is achieved, but heating speed is slow and energy consumption increases

Engineering Contradiction:
Improveheating speedVSAvoidenergy consumption
Core Design Contradiction:
TemperatureVSUse of energy by moving object

Solution Approach 1:

The patent implements periodic action by alternating between cold coolant circulation and hot coolant circulation in regular cycles. The system switches between cold reservoir and hot reservoir operations, creating periodic temperature variations that efficiently condition the battery - charging with cold coolant and heating/defrosting with hot coolant, eliminating the need for continuous electrical heating

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The patent applies parameter changes by varying the temperature parameter of the coolant circulating through the system. Instead of using constant temperature coolant or electrical heating, the system changes coolant temperature between cold (from cold reservoir) and hot (from hot reservoir) states, enabling rapid and energy-efficient thermal conditioning of the battery

Inventive Principle:
Principle #35Parameter changes

2Temperature

If electrical heating means are used for thermal conditioning, then heating function is achieved, but system complexity and electrical component exposure increase

Engineering Contradiction:
Improveheating capabilityVSAvoidsystem complexity
Core Design Contradiction:
TemperatureVSDevice complexity

Solution Approach 1:

The patent extracts and removes electrical heating components from the system entirely. Instead of incorporating electrical heaters within the coolant system, the invention replaces them with a purely hydraulic solution using a hot reservoir that circulates hot coolant, eliminating electrical components from the thermal conditioning process and reducing system complexity

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The hot coolant circulation system serves multiple functions: it provides thermal conditioning during charging, prevents condensation on the evaporator, and enables rapid defrosting of the ice bucket. This multi-functional approach eliminates the need for separate electrical heating devices, reducing overall system complexity

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

3Temperature

If electrical heating resistors are placed in contact with coolant, then heating is achieved, but contamination risk increases

Engineering Contradiction:
Improveheating efficiencyVSAvoidcontamination risk
Core Design Contradiction:
TemperatureVSReliability

Solution Approach 1:

The patent introduces hot coolant as an intermediary medium to transfer thermal energy. Instead of placing electrical resistors in direct contact with the water/glycol mixture, the system circulates hot coolant from the hot reservoir through heat exchange, providing heating functionality while maintaining complete separation between electrical components and the coolant, thus eliminating contamination risk

Inventive Principle:
Principle #24Intermediary (Mediator)

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

This approach enables rapid temperature variations, reduces energy consumption, minimizes contamination risks, and enhances the efficiency and reliability of refrigeration and thermal conditioning processes.

Implementation Method 1

a first pump for pumping the cold coolant component from inside the first reservoir to at least one portion of the body

Methodology Applied
Scientific EffectHeat transfer: Conduction (thermal)

Implementation Method 2

a second pump for pumping the hot coolant component from inside the second reservoir to the portion of the body

Methodology Applied
Scientific EffectHeat transfer: Conduction (thermal)

Implementation Method 3

the second circuit comprises a heat recovery element for recovering heat from the thermal energy generated in the condensation unit

Methodology Applied
Scientific EffectHeat recovery: Heat Exchanger

Data Source

PatentEP4332471A1System and method for refrigeration and thermal conditioning of a body
Publication Date: 2024.03.06 PREMO SL
  • EP4332471A1 patent drawingFigure 1
  • EP4332471A1 patent drawingFigure 2
  • EP4332471A1 patent drawingFigure 3~4

AI summary

The invention provides a system and a method for refrigeration and thermal conditioning of a body. The system comprises a first circuit for refrigeration of the body and a second circuit for thermal conditioning of the body. The first circuit comprises a first reservoir for storage of a cold liquid coolant component and a first pump for pumping the cold coolant component from the first reservoir to a portion of the body, and for returning the cold coolant component to the first reservoir. The second circuit comprises a second reservoir for storage of a hot liquid coolant component and a second pump for pumping the hot coolant component from the second reservoir to the portion of the body, and for returning the hot coolant component to the second reservoir once the coolant has been applied, for a given time, to said portion of the body. A machine for making ice cubes is also provided.