Vehicle environmental control system and related method

• US 20070000659A1
• Filed: 06/29/2005
• Published: 01/04/2007
• Est. Priority Date: 06/29/2005
• Status: Abandoned Application

• Current Assignee: Unwiredtools LLC
• Original Assignee: Unwiredtools LLC
• Inventors: Ableson, W., Schlanger, Steven
• Application Number:
  US11/174,300
• Publication Number:
  US 20070000659A1
• Time in Patent Office: Days
• US Class Current: 165/202
• CPC Class Codes: B60H 1/00735 Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models

Abstract

A system is provided for controlling air temperature in an ambient space in a vehicle using an environmental control system that includes a temperature adjusted air source system and an ambient sensor system in thermal communication with the ambient space. The system includes a working fluid flow control valve operatively coupled to a working fluid flow control value actuator, wherein the working fluid flow control valve is operative to control the flow of a working fluid in the temperature adjusted air source system, an air flow valve operatively coupled to an air flow valve actuator operative to control air flow from the temperature adjusted air source system that is entering the ambient space, a control signal source that provides a control signal, and a digital microcontroller operatively coupled to the ambient sensor system, to the working fluid flow control valve actuator, and to the air flow valve actuator, which digital microcontroller issues commands to the working fluid flow control valve actuator and the air flow valve actuator in response to the control signal to control the flow of the working fluid in the temperature adjusted air source system and to control the flow of air into the ambient space using the air flow control system. Related systems and methods also are disclosed.

Claims

1. A system for controlling air temperature in an ambient space in a vehicle using an environmental control system that comprises a temperature adjusted air source system and an ambient sensor system in thermal communication with the ambient space, the system comprising:

a working fluid flow control valve operatively coupled to a working fluid flow control value actuator, the working fluid flow control valve being operative to control the flow of a working fluid in the temperature adjusted air source system;

a control signal source that provides a control signal; and

a digital microcontroller operatively coupled to the ambient sensor system and to the working fluid flow control valve actuator, which digital microcontroller issues commands to the working fluid flow control valve actuator in response to the control signal to control the flow of the working fluid in the temperature adjusted air source system.

2. A system for controlling air temperature in an ambient space in a vehicle using an environmental control system that comprises a temperature adjusted air source system, an air flow control system and an ambient sensor system in thermal communication with the ambient space, the system comprising:

an air flow valve operatively coupled to an air flow valve actuator operative to control air flow from the temperature adjusted air source system that is entering the ambient space;

a control signal source that provides a control signal; and

a digital microcontroller operatively coupled to the ambient sensor system and to the air flow valve actuator, which digital microcontroller issues commands to the working fluid flow control valve actuator and the air flow valve actuator in response to the control signal to control the flow of air into the ambient space using the air flow control system.

3. A system for controlling air temperature in an ambient space in a vehicle using an environmental control system that comprises a temperature adjusted air source system, an air flow control system and an ambient sensor system in thermal communication with the ambient space, the system comprising:

a working fluid flow control valve operatively coupled to a working fluid flow control value actuator, the working fluid flow control valve being operative to control the flow of a working fluid in the temperature adjusted air source system;

an air flow valve operatively coupled to an air flow valve actuator operative to control air flow from the temperature adjusted air source system that is entering the ambient space;

a control signal source that provides a control signal; and

a digital microcontroller operatively coupled to the ambient sensor system, to the working fluid flow control valve actuator, and to the air flow valve actuator, which digital microcontroller issues commands to the working fluid flow control valve actuator and the air flow valve actuator in response to the control signal to control the flow of the working fluid in the temperature adjusted air source system and to control the flow of air into the ambient space using the air flow control system.

4. A system as recited in claim 3, wherein the microcontroller is programmable.

5. A system as recited in claim 4, wherein the microcontroller is programmable wirelessly.

6. A system as recited in claim 3, wherein the working fluid flow control valve actuator is located at the working fluid flow control value.

7. A system as recited in claim 3, wherein the air flow valve actuator is positioned at the air flow control valve.

8. A method for controlling air temperature in an ambient space in a vehicle using an environmental control system that comprises a temperature adjusted air source system and an ambient sensor system in thermal communication with the ambient space, the method comprising:

providing a digital microcontroller;

operatively coupling the digital microcontroller to the ambient sensor system;

operatively coupling a working fluid flow control valve actuator to a working fluid flow control value, the working fluid flow control valve being operative to control the flow of a working fluid in the temperature adjusted air source system, and operatively coupling the working fluid flow control valve actuator to the microcontroller;

using a control signal source to provide a control signal; and

using the microcontroller to issue commands to the working fluid flow control valve actuator in response to the control signal to control the flow of the working fluid in the temperature adjusted air source system.

9. A method for controlling air temperature in an ambient space in a vehicle using an environmental control system that comprises a temperature adjusted air source system, an air flow control system and an ambient sensor system in thermal communication with the ambient space, the method comprising:

providing a digital microcontroller;

operatively coupling the digital microcontroller to the ambient sensor system;

operatively coupling an air flow valve actuator to an air flow valve operative to control air flow from the temperature adjusted air source system that enters the ambient space, and operatively coupling the air flow valve actuator to the microcontroller;

using a control signal source to provide a control signal; and

using the microcontroller to issue commands to the air flow valve actuator in response to the control signal to control the flow of air into the ambient space using the air flow control system.

10. A method for controlling air temperature in an ambient space in a vehicle using an environmental control system that comprises a temperature adjusted air source system, an air flow control system and an ambient sensor system in thermal communication with the ambient space, the method comprising:

providing a digital microcontroller;

operatively coupling the digital microcontroller to the ambient sensor system;

operatively coupling a working fluid flow control valve actuator to a working fluid flow control value, the working fluid flow control valve being operative to control the flow of a working fluid in the temperature adjusted air source system, and operatively coupling the working fluid flow control valve actuator to the microcontroller;

operatively coupling an air flow valve actuator to an air flow valve operative to control air flow from the temperature adjusted air source system that enters the ambient space, and operatively coupling the air flow valve actuator to the microcontroller;

using a control signal source to provide a control signal; and

using the microcontroller to issue commands to the working fluid flow control valve actuator and the air flow valve actuator in response to the control signal to control the flow of the working fluid in the temperature adjusted air source system and to control the flow of air into the ambient space using the air flow control system, respectively.