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US 2016/0109890 A1Published application
Wax thermostat
AssigneeFord Global Technologies, LLC
InventorsJoshua Putman Styron, Michael Joseph Giunta, Peter Rowling, Erik Thomas Andersen
Life of this patent
Estimating the term…
Abstract
Various systems for controlling coolant flow through a plurality of coolant lines via a wax thermostat are provided. In one embodiment, a thermostat comprises at least one wax motor that mediates coolant flow between two inlet passages and three outlet passages as a function of longitudinal position, the longitudinal position varying in response to changes in coolant temperature.
Claims20
A thermostat, comprising:
- at least one wax motor that mediates coolant flow between two inlet passages and three outlet passages as a function of longitudinal position, the longitudinal position varying in response to changes in coolant temperature.
A thermostat, comprising:
- at least one wax motor that controls distribution of engine coolant to a plurality of coolant lines as a function of coolant temperature, where:
- in a first range of coolant temperatures, the at least one wax motor allows a first coolant flow between a cylinder head and a component line,
- in a second range of coolant temperatures greater than the first range, the at least one wax motor allows a second coolant flow from an engine block in addition to the first coolant flow,
- in a third range of coolant temperatures greater than the second range, the at least one wax motor allows a third coolant flow between the cylinder head and a bypass line in addition to the first and second coolant flows,
- in a fourth range of coolant temperatures greater than the third range, the at least one wax motor allows a fourth coolant flow into a radiator in addition to the first, second, and third coolant flows, and
- in a fifth range of coolant temperatures greater than the fourth range, the at least one wax motor ceases the third coolant flow.
3 more elements
A thermostat, comprising:
- a valve assembly driven by at least one wax motor, the valve assembly mediating coolant flow between two inlet passages and three outlet passages as a function of longitudinal position, the longitudinal position varying in response to changes in coolant temperature.
Dependencies are inferred from the claim text.