18551763. HEAT PUMP DEVICE AND HOT WATER SUPPLY DEVICE simplified abstract (Mitsubishi Electric Corporation)
Contents
- 1 HEAT PUMP DEVICE AND HOT WATER SUPPLY DEVICE
- 1.1 Organization Name
- 1.2 Inventor(s)
- 1.3 HEAT PUMP DEVICE AND HOT WATER SUPPLY DEVICE - A simplified explanation of the abstract
- 1.4 Simplified Explanation
- 1.5 Potential Applications
- 1.6 Problems Solved
- 1.7 Benefits
- 1.8 Potential Commercial Applications
- 1.9 Possible Prior Art
- 1.10 How does the controller determine the opening degree of the selected main circuit expansion device based on suction pressure?
- 1.11 What are the specific set temperatures used by the controller to open the injection expansion device based on outside air temperature?
- 1.12 Original Abstract Submitted
HEAT PUMP DEVICE AND HOT WATER SUPPLY DEVICE
Organization Name
Mitsubishi Electric Corporation
Inventor(s)
Kimitaka Kadowaki of Tokyo (JP)
HEAT PUMP DEVICE AND HOT WATER SUPPLY DEVICE - A simplified explanation of the abstract
This abstract first appeared for US patent application 18551763 titled 'HEAT PUMP DEVICE AND HOT WATER SUPPLY DEVICE
Simplified Explanation
The main refrigerant circuit described in the patent application includes a compressor with an injection port, a condenser, a main circuit expansion device unit, an evaporator, an injection pipe, an injection expansion device, an outside-air temperature detection device, a suction pressure detection device, and a controller. The main circuit expansion device unit consists of multiple expansion devices with different capacities connected in parallel. The controller opens the injection expansion device based on outside air temperature and controls the opening degree of the selected main circuit expansion device based on suction pressure.
- The main refrigerant circuit includes a compressor, condenser, expansion devices, and evaporator connected by pipes.
- The main circuit expansion device unit comprises multiple expansion devices with different capacities in a parallel-connected relationship.
- The controller opens the injection expansion device based on outside air temperature and selects the main circuit expansion device based on suction pressure.
Potential Applications
This technology can be applied in air conditioning systems, refrigeration units, and heat pump systems.
Problems Solved
This technology helps optimize the efficiency of refrigerant circuits by selecting the appropriate expansion device based on operating conditions.
Benefits
The use of multiple expansion devices with different capacities allows for better control of the refrigerant flow and improves overall system performance.
Potential Commercial Applications
This technology can be utilized in residential and commercial HVAC systems, refrigeration units for supermarkets, and industrial cooling processes.
Possible Prior Art
One possible prior art could be the use of variable capacity expansion devices in refrigerant circuits to improve system efficiency.
Unanswered Questions
How does the controller determine the opening degree of the selected main circuit expansion device based on suction pressure?
The patent application does not provide specific details on the algorithm or method used by the controller to determine the opening degree of the selected expansion device.
What are the specific set temperatures used by the controller to open the injection expansion device based on outside air temperature?
The patent application does not mention the exact set temperatures used by the controller to trigger the opening of the injection expansion device based on outside air temperature.
Original Abstract Submitted
Provided is a main refrigerant circuit in which a compressor having an injection port, a condenser, a main circuit expansion device unit, and an evaporator are connected by pipes to allow refrigerant to circulate in the main refrigerant circuit; an injection pipe an injection expansion device; an outside-air temperature detection device; a suction pressure detection device; and a controller, wherein the main circuit expansion device unit includes a plurality of main circuit expansion devices with different capacities and in a parallel-connected relationship, and during operation, when the controller determines that the temperature of the outside air is equal to or lower than a set temperature, the controller is configured to open the injection expansion device to control an opening degree to select the main circuit expansion device based on the suction pressure to control an opening degree of the selected main circuit expansion device.
