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| Number | Title | Issue Date |
| 4187684 | Thermally responsive power elements with multiple vapor/gas filled capsules and hydraulic fluid transmissions A thermally responsive power device is disclosed employing a thermally sensitive unit in which are housed multiple vapor/gas filled capsules which expand and contract in response to temperature changes. The thermally responsive element is connected in a c... | 02/12/1980 |
| 4126993 | Hydraulic system for an earth-moving machine and a temperature-controlled valve for a hydraulic system A hydraulic system which is monitored to control the application of fluid power in response to the temperature of the hydraulic fluid and a temperature responsive valve for use in the hydraulic fluid circuit to monitor the temperature of the fluid to cont... | 11/28/1978 |
| 4016851 | Safety control method and device for limiting the temperature of a fluid to a given upper value A safety control method for limiting the temperature of a fluid to a given upper value comprising the sensing of the fluid temperature and the control of a servo-motor keyed in follow-up relationship to said temperature and acting upon a member controllin... | 04/12/1977 |
| 3999708 | Freeze element for A/C throttling valve A thermally responsive freeze type actuator for operating an air conditioning throttle valve. The actuator includes a rigid walled tubular portion which contains water and is attached to an axially extendable and contractible bellows portion. The bellows ... | 12/28/1976 |
| 3977207 | Freeze throttling valve An improved thermally responsive freeze actuator for operation of an air conditioning throttle valve between the evaporator and compressor to maintain the pressure and temperature of evaporator refrigerant above a freezing level. The improved actuator inc... | 08/31/1976 |
