Vehicular heat management system

Patent metadata

Field	Value
Publication number	US-2016167481-A1
Application number	US-201414907829-A
Country	US
Kind code	A1
Filing date	Jul 16, 2014
Priority date	Jul 31, 2013
Publication date	Jun 16, 2016
Grant date	—

Abstract

A vehicular heat management system has a first valve body, a second valve body, a third valve body, and a fourth valve body. The first valve body switches a state that the heating medium discharged from the first pump flows in and a state that the heating medium discharged from the first pump does not flow in, with respect to the more than or equal to three of heating medium passing device. The second valve body switches a state that the heating medium discharged from the second pump flows in and a state that the heating medium discharged from the second pump does not flow in, with respect to the more than or equal to three of heating medium passing device. The third valve body switches a state that the heating medium flows to the first pump and a state that the heating medium does not flow to the first pump, with respect to the more than or equal to three of heating medium passing device. The fourth valve body switches a state that the heating medium flows to the second pump and a state that the heating medium does not flow to the second pump, with respect to the more than or equal to three of heating medium passing device.

First claim

What is claimed is:

1 . A vehicular heat management system comprising:
a first pump and a second pump drawing and discharging a heating medium; more than or equal to three of heating medium passing device in which the heating medium flows; and a switching section switching a flow of the heating medium with respect to the more than or equal to three of heating medium passing device, wherein the switching section has: a first valve body switching a state that the heating medium discharged from the first pump flows in and a state that the heating medium discharged from the first pump does not flow in, with respect to the more than or equal to three of heating medium passing device; a second valve body switching a state that the heating medium discharged from the second pump flows in and a state that the heating medium discharged from the second pump does not flow in, with respect to the more than or equal to three of heating medium passing device; a third valve body switching a state that the heating medium flows to the first pump and a state that the heating medium does not flow to the first pump, with respect to the more than or equal to three of heating medium passing device; and a fourth valve body switching a state that the heating medium flows to the second pump and a state that the heating medium does not flow to the second pump, with respect to the more than or equal to three of heating medium passing device.

2 . The vehicular heat management system according to claim 1 , the vehicular heat management system further comprising
a valve body chamber forming member that forms (i) a first-pump-side valve body chamber that houses a valve body, which is on a side of the first pump, of the first valve body, the second valve body, the third valve body, and the fourth valve body and (ii) a second-pump-side valve body chamber that houses a valve body, which is on a side of the second pump, of the first valve body, the second valve body, the third valve body, and the fourth valve body, the first-pump-side valve body chamber and the second-pump-side valve body chamber that are formed separately from path other.

3 . The vehicular heat management system according to claim 1 , wherein
the switching section is constructed of one switching valve that houses the first valve body, the second valve body, the third valve body, and the fourth valve body.

4 . The vehicular heat management system according to claim 1 , wherein
two valve bodies of the first valve body, the second valve body, the third valve body, and the fourth valve body are mechanically coupled to path other.

5 . The vehicular heat management system according to claim 4 , wherein
remaining two of the first valve body, the second valve body, the third valve body, and the fourth valve body are mechanically coupled to path other.

6 . The vehicular heat management system according to claim 1 , wherein
the first valve body and the third valve body are mechanically coupled to path other.

7 . The vehicular heat management system according to claim 6 , wherein
the second valve body and the fourth valve body are mechanically coupled to path other.

8 . The vehicular heat management system according to claim 1 , wherein
the first valve body and the second valve body are mechanically coupled to path other.

9 . The vehicular heat management system according to claim 8 , wherein
the third valve body and the fourth valve body are mechanically coupled to path other.

10 . The vehicular heat management system according to claim 1 , wherein
the first valve body and the fourth valve body are mechanically coupled to path other.

11 . The vehicular heat management system according to claim 10 , wherein
the second valve body and the third valve body are mechanically coupled to path other.

12 . The vehicular heat management system according to claim 1 further comprising
a non-switching-target heating-medium passing device passing the heating medium that circulates between the non-switching-target heating-medium passing device and only one pump of the first pump and the second pump, wherein
the non-switching-target heating-medium passing device is connected to a heating medium discharge side of the one pump via a valve body, which is on the one pump side, of the first valve body and the second valve body, and is connected to a heating medium suction side of the one pump without interposing the third valve body and the fourth valve body.

13 . The vehicular heat management system according to claim 1 further comprising
a non-switching-target heating-medium passing device passing the heating medium that circulates between the non-switching-target heating-medium passing device and only one pump of the first pump and the second pump flows, wherein
the non-switching-target heating-medium passing device is connected to a heating medium discharge side of the one pump without interposing the first valve body and the second valve body, and is connected to a heating medium suction side of the one pump via the valve body, which is on the one pump side, of the third valve body and the fourth valve body.

14 . The vehicular heat management system according to claim 1 further comprising
a switching-target heating-medium passing device of which state (i) that the heating medium circulates between the switching-target heating-medium passing device and the first pump and (ii) that the heating medium circulates between the switching-target heating-medium passing device and the second pump are switched by the first valve body and the second valve body, wherein
the switching-target heating-medium passing device is connected to a heating medium discharge side of the first pump via the first valve body, is connected to a heating medium discharge side of the second pump via the second valve body, and is connected to a heating medium suction side of the first pump and a heating medium suction side of the second pump without interposing the third valve body and the fourth valve body.

Assignees

• Denso Corp

Inventors

• Makihara Masamichi
• Enomoto Norihiko
• Katoh Yoshiki
• Kuwayama Kazutoshi
• Kakehashi Nobuharu

Classifications

• B60K11/02 Primary

  with liquid cooling · CPC title

• B60H1/00485

  Valves for air-conditioning devices, e.g. thermostatic valves · CPC title

• F01P2007/146

  using valves · CPC title

• F01P7/165

  characterised by systems with two or more loops · CPC title

• F01P2060/08

  Cabin heater · CPC title