Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 4193442 | Dual bimetal relief valve In an adapter unit for use between an external filter element and fluid reservoir are dual thermostatic pressure relief valves. A body member with a curved recess has ports with opposing valve seats communicating with the recess, and a curved leaf member ... | 03/18/1980 |
| 4193542 | Thermostatic valve A thermostatic valve for controlling flow comprises a housing formed of first and second parts providing a first chamber in which is located a valve seat and co-operating valve plate operable by a thermostatic element. The housing has an inlet and an outl... | 03/18/1980 |
| 4190198 | Oil cooler bypass valve actuating means A valve actuating mechanism for an oil cooler bypass valve of the type in which a thermally responsive element expands to urge a valve member against a valve seat and thereby cause oil to flow through an oil cooler. A valve member is utilized which is mov... | 02/26/1980 |
| 4186872 | Alternate path cooling system for liquid cooled devices such as engines This invention relates generally to the cooling of liquid-cooled devices such as engines, motors, transformers, and similar heat-producing or energy-conversion machines, that are designed to operate within specified temperature ranges.... | 02/05/1980 |
| 4175696 | Thermostatic valve A thermostatic valve has a working element, a valve seat and a guide member for the working element below the valve seat; the guide member is connected to the valve seat through a plurality of holding arms, each supported by a yoke arm connected above the... | 11/27/1979 |
| 4171767 | Engine cooling system thermostat and method of making the same A vehicle-type thermostat having a housing provided with a valve seat that is controlled by a movable valve member which is interconnected to a temperature responsive device which is carried by the housing, the housing having a positioning arrangement the... | 10/23/1979 |
| 4164322 | Thermostatic valve device having non-linear flow characteristics A thermally responsive valve device having non-linear flow characteristics. The thermally responsive valve device includes movable and stationary valve structure. A movable valve member is movable to adjust the open area of a flow passage, but movement of... | 08/14/1979 |
| 4147139 | Liquid-cooled internal combustion engine A liquid-cooled internal combustion engine with a control of the cooling medium temperature of its cooling medium circulation by a thermostatically operating mixing valve which includes a mixing chamber in open communication with the suction connection of... | 04/03/1979 |
| 4144849 | Liquid-cooled internal combustion engine A liquid-cooled internal combustion engine with a control of the cooling medium temperature of its cooling medium circulation by a thermostatically operating mixing valve which includes a mixing chamber in open communication with the suction connection of... | 03/20/1979 |
| 4134540 | Bimetallic element A bimetallic element in which a bimetallic strip of two bands of different metals is wound helically into an elongated body, said body having in its center a free space, the diameter of which is smaller than the thickness of the bimetallic strip and prefe... | 01/16/1979 |
| 4103824 | Thermostat for coolant presented as switch specifically for combustion engines This invention relates to the thermostat for coolants to switch coolant flow from a first passage to either a second or third passage. The thermostat comprises a bimetallic spring disc which in one position directs the flow to the second passage and when ... | 08/01/1978 |
| 4095470 | Thermal element and parts therefor and methods of making the same A thermal element having a cylinder member carrying a piston member that projects out of an opening of an end of the cylinder member to be extended and retracted relative thereto upon changes of sensed temperature. A washer-like resilient seal member is c... | 06/20/1978 |
| 4091991 | Engine cooling system thermostat and method of making the same A vehicle-type thermostat having a housing provided with a valve seat that is controlled by a movable valve member which is interconnected to a temperature responsive device which is carried by the housing, the housing having a positioning arrangement the... | 05/30/1978 |
| 4086956 | Temperature control of heat exchanger with bypass A heat exchanger or boiler has a bypass between the inlet and the outlet. The outlet includes a chamber having a partition with a thermostatically controlled valve, which controls flow of heating medium from the heat exchanger to the outlet connection. Th... | 05/02/1978 |
| 4055298 | Thermally responsive by-pass valve device providing maximum flow area A thermally responsive by-pass valve device which permits maximum fluid flow in limited area conditions. The valve device is adapted to be employed in an environment in which there are limited area conditions within conduit structure having a plurality of... | 10/25/1977 |
| 4052965 | Engine cooling system vent means An engine cooling system vent valve is provided for allowing air to escape around a closed thermostat during filling and which closes to prevent circulation of coolant from bypassing the thermostat when the engine is cold and the thermostat is closed. The... | 10/11/1977 |
| 4046319 | Adjustable auto thermostat An adjustable automotive vehicle thermostat is disclosed in which the adjusting member extends through the thermostat housing so that adjustments of the temperature response of the thermostat may be made without having to remove the thermostat from the ve... | 09/06/1977 |
| 4032068 | Thermostatic valve Body constructions for valves responsive to temperatures of inlet fluid so as to open or close thermostatic valve elements and, respectively, direct fluid flow to heat-exchangers or by-pass them. Flow is diverted from the axis of the inlet to permit ready... | 06/28/1977 |
| 4032067 | Thermostat valve A thermostat valve of the type actuated by a wax cylinder incorporating a needle piston, wherein the diameter of said needle is reduced at least at a portion thereof which is received in a bore of the wax cylinder.... | 06/28/1977 |
| 4024909 | Temperature responsive multi-function valve A multiple function valve for a compressor cooling liquid system. A cylindrical valve housing has an inlet at one end and an outlet at the other with a flow passage therethrough. A thermal valve controls the liquid flow between the inlet and outlet and di... | 05/24/1977 |
| 4022377 | Thermostatically operated sleeve valve construction A thermostatically operated valve construction for an engine coolant system and having a tubular sleeve valve member for opening and closing an annular valve seat of the construction at one end of the tubular sleeve valve member that is interconnected to ... | 05/10/1977 |
| 4013218 | Self-indicating thermostat A thermostatically responsive valve for controlling fluid, including a thermally responsive power member for operating the valve and indicator means movable to an operative position indicative of an overheat condition in response to high fluid temperature... | 03/22/1977 |
| 4011988 | Device for controlling the flow of cooling water in an internal combustion engine A device for controlling the flow of cooling water circulating between the radiator and the water jacket in an internal combustion engine. A thermal reactive valve means is disposed in a passage interconnecting the radiator and the water jacket for provid... | 03/15/1977 |
| 3973729 | Vent valve arrangement A vent valve arrangement for a thermostatically operated valve construction that has a valve member for opening and closing a valve seat in response to temperature sensed by a temperature responsive device that is interconnected to the valve member to mov... | 08/10/1976 |
| 3948440 | Automotive cooling system thermostat This is a valve for controlling fluid flow in a conduit in which a valve plate member is moved in and out of engagement with a valve seat in a nozzle in the conduit by means of a thermal actuator to close and open said valve in response to temperature cha... | 04/06/1976 |
| 3946943 | Cooling system of an internal combustion engine incorporating a by-pass flow control system A cooling system of an internal combustion engine including a by-pass circuit which leads a flow of cooling water to by-pass a radiator, said cooling system incorporating a thermostat valve operated by a wax cylinder, wherein a second valve port is provid... | 03/30/1976 |
| 3939807 | Engine temperature control system Disclosed herein is an internal combustion engine including a cooling system having a first coolant jacket portion for cooling the engine in the vicinity of the engine cylinder and a second coolant jacket portion from which the coolant is discharged. Flow... | 02/24/1976 |
