System and method of thermal management for an engine
US-9188051-B1 · Nov 17, 2015 · US
Coolant control systems and methods for transmission temperature regulation
US9732662B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9732662-B2 |
| Application number | US-201313944134-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 17, 2013 |
| Priority date | Jun 14, 2013 |
| Publication date | Aug 15, 2017 |
| Grant date | Aug 15, 2017 |
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- Title
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- Abstract
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- First independent claim
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Abstract
Official abstract text for this publication.
A coolant control system of a vehicle includes a pump control module and a coolant valve control module. The pump control module selectively activates a coolant pump. The coolant pump pumps coolant into coolant channels formed in an integrated exhaust manifold (IEM) of an engine. The coolant valve control module selectively actuates a coolant valve that controls coolant flow from the coolant channels formed in the IEM to a transmission heat exchanger based on a first temperature of a transmission and a second temperature of coolant within the integrated exhaust manifold of the engine.
First claim
Opening claim text (preview).
What is claimed is: 1. A coolant control system of a vehicle, comprising: a pump control module that selectively activates a coolant pump, wherein the coolant pump pumps coolant into coolant channels formed in an integrated exhaust manifold (IEM) of an engine; and a coolant valve control module that selectively actuates a coolant valve that controls coolant flow from the coolant channels formed in the IEM to a transmission heat exchanger based on a first temperature of a transmission and a second temperature of coolant within the integrated exhaust manifold of the engine. 2. The coolant control system of claim 1 wherein the coolant valve control module selectively actuates the coolant valve based on at least one of: a first comparison of the second temperature and a first predetermined temperature; and a second comparison of the first and second temperatures. 3. The coolant control system of claim 1 wherein the coolant valve control module actuates the coolant valve to prevent coolant flow from the coolant channels to the transmission heat exchanger when the second temperature is less than a first predetermined temperature. 4. The coolant control system of claim 3 wherein the coolant valve control module selectively actuates the coolant valve to enable coolant flow from the coolant channels to the transmission heat exchanger when the second temperature is greater than the first predetermined temperature. 5. The coolant control system of claim 3 wherein the coolant valve control module actuates the coolant valve to enable coolant flow from the coolant channels to the transmission heat exchanger when the second temperature is greater than the first predetermined temperature and the second temperature is greater than the first temperature. 6. The coolant control system of claim 3 further comprising a thermostat valve control module that selectively actuates a thermostat valve that controls coolant flow from the engine to a radiator based on the first temperature. 7. The coolant control system of claim 6 wherein the thermostat control module selectively actuates the thermostat valve based on a comparison of the first temperature and a second predetermined temperature. 8. The coolant control system of claim 6 wherein the thermostat valve control module actuates the thermostat valve to enable coolant flow from the engine to the radiator when the first temperature is greater than a second predetermined temperature. 9. The coolant control system of claim 8 wherein the thermostat valve control module selectively maintains the thermostat valve closed to prevent coolant flow from the engine to the radiator when the first temperature is less than the second predetermined temperature. 10. The coolant control system of claim 8 wherein the second predetermined temperature is greater than the first predetermined temperature. 11. A coolant control method for a vehicle, comprising: selectively activating a coolant pump that pumps coolant into coolant channels formed in an integrated exhaust manifold (IEM) of an engine; and, based on a first temperature of a transmission and a second temperature of coolant within the integrated exhaust manifold of the engine, selectively actuating a coolant valve that controls coolant flow from the coolant channels formed in the IEM to a transmission heat exchanger. 12. The coolant control method of claim 11 further comprising selectively actuating the coolant valve based on at least one of: a first comparison of the second temperature and a first predetermined temperature; and a second comparison of the first and second temperatures. 13. The coolant control method of claim 11 further comprising actuating the coolant valve to prevent coolant flow from the coolant channels to the transmission heat exchanger when the second temperature is less than a first predetermined temperature. 14. The coolant control method of claim 13 further comprising selectively actuating the coolant valve to enable coolant flow from the coolant channels to the transmission heat exchanger when the second temperature is greater than the first predetermined temperature. 15. The coolant control method of claim 13 further comprising actuating the coolant valve to enable coolant flow from the coolant channels to the transmission heat exchanger when the second temperature is greater than the first predetermined temperature and the second temperature is greater than the first temperature. 16. The coolant control method of claim 13 further comprising selectively actuating a thermostat valve that controls coolant flow from the engine to a radiator based on the first temperature. 17. The coolant control method of claim 16 further comprising selectively actuating the thermostat valve based on a comparison of the first temperature and a second predetermined temperature. 18. The coolant control method of claim 16 further comprising actuating the thermostat valve to enable coolant flow from the engine to the radiator when the first temperature is greater than a second predetermined temperature. 19. The coolant control method of claim 18 further comprising selectively maintaining the thermostat valve closed to prevent coolant flow from the engine to the radiator when the first temperature is less than the second predetermined temperature. 20. The coolant control method of claim 18 wherein the second predetermined temperature is greater than the first predetermined temperature.
Assignees
Inventors
Classifications
Oil temperature · CPC title
Outlet manifold temperature · CPC title
for transmissions · CPC title
- F01P7/162Primary
by cutting in and out of pumps · CPC title
Outlet manifold · CPC title
Patent family
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External sources
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US9732662B2 cover?
- A coolant control system of a vehicle includes a pump control module and a coolant valve control module. The pump control module selectively activates a coolant pump. The coolant pump pumps coolant into coolant channels formed in an integrated exhaust manifold (IEM) of an engine. The coolant valve control module selectively actuates a coolant valve that controls coolant flow from the coolant ch…
- Who is the assignee on this patent?
- Gm Global Tech Operations Llc
- What technology area does this patent fall under?
- Primary CPC classification F01P7/162. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Aug 15 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).