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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 6158794 | Transport temperature control unit with removable panel A transport temperature control unit for a vehicle, the temperature control unit including a frame having a first rail member which defines a guide channel; and an access panel having a top access panel edge movable between a first position where the top ... | 12/12/2000 |
| 5267446 | Air conditioning and refrigeration systems utilizing a cryogen Methods and apparatus for controlling the temperature of a conditioned space, including a supply of cryogen, and a fluid flow path for the cryogen which includes a heat exchanger. A heater is disposed to heat cryogen in the flow path in response to predet... | 12/07/1993 |
| 4903495 | Transport refrigeration system with secondary condenser and maximum operating pressure expansion valve A transport refrigeration system, and method of operating same, in which a maximum operating pressure expansion valve and a secondary condenser are used to enhance hot gas heating cycles initiated to hold a predetermined temperature set point, and hot gas... | 02/27/1990 |
| 4325224 | Method and apparatus for transport refrigeration system control A transport refrigeration system having the capability of either heating or cooling at high or low speed and with the compressor loaded or unloaded is controlled by a temperature control system including a heat relay 1K and a speed relay 2K, and has an au... | 04/20/1982 |
| 4303090 | Crankcase oil return valve This invention provides a direct oil return system from the accumulator tank in the refrigerant circuit of a transport refrigeration system to the crankcase of the compressor for returning oil entrained in the refrigerant to the oil sump. A pressure relie... | 12/01/1981 |
