Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 6290139 | Hydraulically actuated mixing valve A hot and cold water mixing valve to maintain the outlet water temperature at a preset level by using electronic sensors to actuate low voltage, pulse operated solenoid valves to regulate pressure in control passageways. The control passageway pressure di... | 09/18/2001 |
| 4475686 | Valve for liquid injection into a refrigerant evaporator The invention relates to a valve assembly for a refrigeration plant of the kind used for controlling the flow of refrigerant from the evaporator to the compressor. The closure member for the valve unit is controlled directly or indirectly by a movable wal... | 10/09/1984 |
| 4291544 | Control apparatus for the low pressure evaporator of a refrigeration plant The invention relates to control apparatus for feeding liquified refrigerant to the evaporator of a refrigeration system. A main valve controlled by a differential pressure type servo-element controls the flow of refrigerant to the evaporator. A float typ... | 09/29/1981 |
| 4248058 | Differential piston type reversing valve construction, system utilizing the same and method of making A differential piston type reversing valve construction having a housing body provided with a high pressure chamber that has a valve member slideable therein for selectively interconnecting said high pressure chamber to either port of a pair of ports inte... | 02/03/1981 |
