IP Library Granted Patent US 12,365,215
Granted Patent B2
US 12,365,215 · App. 18/599,921 · Granted Jul 22, 2025

Electric vehicle heat pump using enhanced valve unit

Inventors: Prem Pinto (San Jose, CA); Daniel F. Hanks (Palo Alto, CA)
Assignee: Tesla, Inc.
B60H1/00342B60H1/00392B60H1/00485B60H1/08
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Quick Facts
Patent No.
US 12,365,215
App. No.
18/599,921
Granted
Jul 22, 2025
Kind
B2
Abstract

Systems, apparatuses, and methods for an enhanced heat pump are provided. An example embodiment includes a housing, the housing having a particular number of connection ports, each connection port being connected to a component of the electric vehicle, and the connection ports being configured to pass fluid; and a stemshell positioned within the housing, the stemshell comprising a plurality of channels, wherein at least a portion of the channels are in fluidic connection with the connection ports, wherein the stemshell is configured to rotate within the housing, and wherein rotation causes adjustment of the connection ports correspond which correspond to the channels.

Claims (66)

1. An apparatus usable as part of a heat pump for an electric vehicle, the apparatus comprising:

a housing, the housing having a particular number of connection ports, at least one connection port being connected to a component of the electric vehicle, and the connection ports being configured to pass fluid, and wherein the connection ports are oriented in a same direction; and

a stemshell positioned within the housing, the stemshell comprising a plurality of channels, wherein at least a portion of the channels are in fluidic connection with the connection ports, wherein the stemshell is configured to rotate within the housing, and wherein rotation causes adjustment of the connection ports which correspond to the channels, and wherein the stemshell has a vertical separation, and wherein a subset of the channels are at a first vertical height and a remaining subset are at a second vertical height.

2. The apparatus of claim 1 , wherein the particular number of connection ports is greater than or equal to 6.

3. The apparatus of claim 1 , wherein the particular number of connection ports is 8.

4. The apparatus of claim 1 , wherein there are 6 channels.

5. The apparatus of claim 1 , wherein there are four vertical channels and two horizontal channels.

6. The apparatus of claim 1 , wherein a controller causes rotation of the stemshell.

7. The apparatus of claim 6 , wherein the controller rotates the stemshell to specific orientations which correspond to specific heat pump modes.

8. An apparatus usable as part of a heat pump for an electric vehicle, the apparatus comprising:

a housing, the housing having a particular number of connection ports, at least one connection port being connected to a component of the electric vehicle, and the connection ports being configured to pass fluid, wherein the particular number is greater than or equal to 6, and wherein the connection ports are oriented in a same direction; and

a stemshell positioned within the housing, the stemshell comprising a plurality of channels, wherein at least a portion of the channels are in fluidic connection with the connection ports, wherein the stemshell is configured to rotate within the housing, and wherein rotation causes adjustment of the connection ports which correspond to the channels.

9. An apparatus usable as part of a heat pump for an electric vehicle, the apparatus comprising:

a housing, the housing having a particular number of connection ports, at least one connection port being connected to a component of the electric vehicle, and the connection ports being configured to pass fluid; and

a stemshell positioned within the housing, the stemshell comprising a plurality of channels, wherein at least a portion of the channels are in fluidic connection with the connection ports, wherein the stemshell is configured to rotate within the housing, and wherein rotation causes adjustment of the connection ports which correspond to the channels, and wherein there are four vertical channels and two horizontal channels.

10. An apparatus usable as part of a heat pump for an electric vehicle, the apparatus comprising:

a housing, the housing having a particular number of connection ports, at least one connection port being connected to a component of the electric vehicle, and the connection ports being configured to pass fluid; and

a stemshell positioned within the housing, the stemshell comprising a plurality of channels, wherein at least a portion of the channels are in fluidic connection with the connection ports, wherein the stemshell is configured to rotate within the housing, and wherein rotation causes adjustment of the connection ports which correspond to the channels;

wherein the apparatus is configured to receive input information indicating that the electric vehicle is charging, and wherein an updated heat pump mode indicates a reversal of coolant flow as compared to a current heat pump mode.

11. An electric vehicle comprising:

a battery pack;

an electric motor; and

an octovalve, the octovalve being usable as part of a heat pump for an electric vehicle, the octovalve comprising:

a housing, the housing having a particular number of connection ports, at least one connection port being connected to a component of the electric vehicle, and the connection ports being configured to pass fluid, and wherein the connection ports are oriented in a same direction; and

a stemshell positioned within the housing, the stemshell comprising a plurality of channels, wherein at least a portion of the channels are in fluidic connection with the connection ports, wherein the stemshell is configured to rotate within the housing, and wherein rotation causes adjustment of the connection ports which correspond to the channels, and wherein the stemshell has a vertical separation, and wherein a subset of the channels are at a first vertical height and a remaining subset are at a second vertical height.

12. The electric vehicle of claim 11 , wherein the connections ports are oriented in a same direction.

13. An electric vehicle comprising:

a battery pack;

an electric motor; and

an octovalve, the octovalve being usable as part of a heat pump for an electric vehicle, the octovalve comprising:

a housing, the housing having a particular number of connection ports, at least one connection port being connected to a component of the electric vehicle, and the connection ports being configured to pass fluid, wherein the particular number is greater than or equal to 6, and wherein the connection ports are oriented in a same direction; and

a stemshell positioned within the housing, the stemshell comprising a plurality of channels, wherein at least a portion of the channels are in fluidic connection with the connection ports, wherein the stemshell is configured to rotate within the housing, and wherein rotation causes adjustment of the connection ports which correspond to the channels.

14. An electric vehicle comprising:

a battery pack;

an electric motor; and

an octovalve, the octovalve being usable as part of a heat pump for an electric vehicle, the octovalve comprising:

a housing, the housing having a particular number of connection ports, at least one connection port being connected to a component of the electric vehicle, and the connection ports being configured to pass fluid; and

a stemshell positioned within the housing, the stemshell comprising a plurality of channels, wherein at least a portion of the channels are in fluidic connection with the connection ports, wherein the stemshell is configured to rotate within the housing, and wherein rotation causes adjustment of the connection ports which correspond to the channels, and wherein there are four vertical channels and two horizontal channels.

15. An electric vehicle comprising:

a battery pack;

an electric motor; and

an octovalve, the octovalve being usable as part of a heat pump for an electric vehicle, the octovalve comprising:

a housing, the housing having a particular number of connection ports, at least one connection port being connected to a component of the electric vehicle, and the connection ports being configured to pass fluid; and

a stemshell positioned within the housing, the stemshell comprising a plurality of channels, wherein at least a portion of the channels are in fluidic connection with the connection ports, wherein the stemshell is configured to rotate within the housing, and wherein rotation causes adjustment of the connection ports which correspond to the channels;

wherein the octovalve is configured to receive input information indicating that the electric vehicle is charging, and wherein an updated heat pump mode indicates a reversal of coolant flow as compared to a current heat pump mode.

16. A method implemented by a controller associated with controlling an octovalve configured for use as part of a heat pump for an electric vehicle, the method comprising:

obtaining input information associated with operation of the vehicle;

accessing a current heat pump mode associated with the octovalve, wherein the octovalve includes a stemshell positioned within the octovalve, the stemshell comprising a plurality of channels, wherein at least a portion of the channels are in fluidic connection with connection ports, wherein the stemshell is configured to rotate and cause adjustment of the connection ports which correspond to the channels, wherein the connection ports are oriented in a same direction;

determining adjustment to the heat pump mode based on the input information; and

causing update of the current heat pump mode, wherein the update causes rotation of the stemshell.

17. The method of claim 16 , wherein the stemshell has a vertical separation, and wherein a subset of the channels are at a first vertical height and a remaining subset are at a second vertical height.

18. A method implemented by a controller associated with controlling an octovalve configured for use as part of a heat pump for an electric vehicle, the method comprising:

obtaining input information associated with operation of the electric vehicle;

accessing a current heat pump mode associated with the octovalve, wherein the octovalve includes a stemshell positioned within the octovalve, the stemshell comprising a plurality of channels, wherein at least a portion of the channels are in fluidic connection with connection ports, wherein the stemshell is configured to rotate and cause adjustment of the connection ports which correspond to the channels, wherein the octovalve comprises a housing having a particular number of ports, and wherein the particular number is greater than or equal to 6, and wherein the connection ports are oriented in a same direction;

determining adjustment to the heat pump mode based on the input information; and

causing update of the current heat pump mode, wherein the update causes rotation of the stemshell.

19. A method implemented by a controller associated with controlling an octovalve configured for use as part of a heat pump for an electric vehicle, the method comprising:

obtaining input information associated with operation of the vehicle;

accessing a current heat pump mode associated with the octovalve, wherein the octovalve includes a stemshell positioned within the octovalve, the stemshell comprising a plurality of channels, wherein at least a portion of the channels are in fluidic connection with connection ports, wherein the stemshell is configured to rotate and cause adjustment of the connection ports which correspond to the channels, and wherein there are four vertical channels and two horizontal channels;

determining adjustment to the heat pump mode based on the input information; and

causing update of the current heat pump mode, wherein the update causes rotation of the stemshell.

20. A method implemented by a controller associated with controlling an octovalve configured for use as part of a heat pump for an electric vehicle, the method comprising:

obtaining input information associated with operation of the vehicle;

accessing a current heat pump mode associated with the octovalve, wherein the octovalve includes a stemshell positioned within the octovalve, the stemshell comprising a plurality of channels, wherein at least a portion of the channels are in fluidic connection with connection ports, wherein the stemshell is configured to rotate and cause adjustment of the connection ports which correspond to the channels;

determining adjustment to the heat pump mode based on the input information; and

causing update of the current heat pump mode, wherein the update causes rotation of the stemshell, and wherein the input information indicates that the electric vehicle is charging, and wherein an updated heat pump mode indicates a reversal of coolant flow as compared to the current heat pump mode.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 26, 2025
From: PINTO, PREM; HANKS, DANIEL F.
To: TESLA, INC.
Reel/Frame 070338/0937 →
Continuity (3)
Continuation 17657320 · Mar 30, 2022
Provisional Application 63200874 · Mar 31, 2021
Related Publication 20240278617A1 · Aug 22, 2024
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