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| Number | Title | Issue Date |
| 5222469 | Apparatus for monitoring an internal combustion engine of a vehicle Apparatus for monitoring an engine of a vehicle having an ignition switch operable between on and off positions, a vehicle power supply, and an electrical load, including the engine, selectively connectable to the vehicle power supply via the ignition swi... | 06/29/1993 |
| 5211900 | Method of manufacturing an eutectic beam having multi-functional support members A eutectic beam, and method of constructing same, which includes a plastic housing, a eutectic solution, and a generally U-shaped evaporator tube having first and second spaced leg portions, ends of which extend outside the housing. The leg portions of th... | 05/18/1993 |
| 5201185 | Method of operating a transport refrigeration unit The invention relates to methods of defrosting an evaporator coil of a transport refrigeration unit which includes microprocessor based electrical control. The electrical control maintains the temperature of a conditioned space at a predetermined set poin... | 04/13/1993 |
| 5201186 | Method of operating a transport refrigeration unit A method of detecting conditions during the operation of a transport refrigeration unit which may cause shutdown, and then modifying the operation of the unit in an attempt to find an operating condition that will keep the unit operating safely. The unit ... | 04/13/1993 |
| 5197670 | Method of operating a transport refrigeration unit A method of operating a transport refrigeration system having a refrigerant compressor driven by a prime mover. Electrical control maintains the temperature of a load in a conditioned space close to a desired set point via heating, cooling and null cycles... | 03/30/1993 |
| 5186015 | Transport refrigeration unit and method of operating same A transport refrigeration unit, and method of operating same, with the unit being associated with a vehicle having a drive engine and a cargo space to be conditioned to a predetermined set point temperature. The transport refrigeration unit includes a ref... | 02/16/1993 |
| 5181389 | Methods and apparatus for monitoring the operation of a transport refrigeration system A transport refrigeration unit, and methods and apparatus for monitoring the operation thereof, with the unit conditioning a load to a selected set point temperature via commanded cooling and heating cycles. A thermostat provides a digital signal as a fun... | 01/26/1993 |
| 5174123 | Methods and apparatus for operating a refrigeration system Methods and apparatus for eliminating the need for a float valve in a flash tank of a refrigeration system having an economizer cycle, improving stationary refrigeration systems and permitting a flash tank instead of a heat exchanger to be used in a trans... | 12/29/1992 |
| 5172567 | Eutectic beams for use in refrigeration An eutectic beam which includes a plastic housing, an eutectic solution in the housing, and an evaporator tube in the eutectic solution having ends which extend outside the housing. The ends of the evaporator tube are adapted for connection to a refrigera... | 12/22/1992 |
| 5172561 | Pre-trip diagnostic methods for a transport refrigeration unit Pre-trip operational methods and procedures for automatically checking predetermined functions and the operating performance of a transport refrigeration unit which includes a refrigerant compressor, and a prime mover for the refrigerant compressor which ... | 12/22/1992 |
| 5172560 | Method of operating a transport refrigeration system A method of operating a transport refrigeration system having a compressor driven by a prime mover at a selected one of high and low speeds, an evaporator, and an evaporator blower driven by the prime mover. Refrigeration control provides an error value w... | 12/22/1992 |
| 5172559 | Compartmentalized transport refrigeration system having means for enhancing the capacity of a heating cycle A compartmentalized transport refrigeration system which holds selected set point temperatures in at least first and second served spaces via heating and cooling cycles. The system includes a refrigerant circuit having high and low pressure sides, includi... | 12/22/1992 |
| 5168713 | Method of operating a compartmentalized transport refrigeration system A method of operating a compartmentalized transport refrigeration system having first, second and third compartments respectively served by a host refrigeration unit and first and second remote refrigeration units. The method includes the steps of providi... | 12/08/1992 |
| 5161384 | Method of operating a transport refrigeration system A method of monitoring a transport refrigeration system which is effective regardless of the temperature of a served space relative to a selected set point temperature. Different "windows" of acceptable and marginal performance are provided in the form of... | 11/10/1992 |
| 5161383 | Method of operating a transport refrigeration unit A method of operating a transport refrigeration system having a refrigerant compressor driven by an internal combustion engine. Microprocessor based electrical control maintains the temperature of a conditioned space at a desired set point via heating, co... | 11/10/1992 |
| 5155955 | Frame based office space dividing system An office space dividing system comprising office furniture components in combination with a plurality of structural rectangular frames having openings which may be left open or closed in varying degrees with a wide variety of fill options, which may be r... | 10/20/1992 |
| 5152152 | Method of determining refrigerant charge A method of determining if the refrigerant charge in a refrigeration system is within an acceptable range, including the step of developing a model evaporator temperature-versus-time signature for a system known to have a recommended refrigerant charge le... | 10/06/1992 |
| 5142997 | Projectile resisting space dividing system A space dividing system which comprises a rectangular panel having a metallic frame which includes stiles and rails arranged to form a window. The stiles and rails each have a channel which faces the window and first and second spaced internal pockets whi... | 09/01/1992 |
| 5140826 | Method of operating a transport refrigeration unit A method of operating a transport refrigeration system having a refrigerant compressor driven by an internal combustion engine. Microprocessor based electrical control maintains the temperature of a conditioned space at a desired set point via heating, co... | 08/25/1992 |
| 5140825 | Method of operating a transport refrigeration unit A method of automatically checking components and associated wiring of electrical control associated with a microprocessor controlled transport refrigeration system. The transport refrigeration system has a prime mover which drives a refrigerant compresso... | 08/25/1992 |
| 5131620 | Rack for suspending a component below a support surface A rack for suspending an electrical or mechanical component below a support surface. The rack is quickly assembled with relatively few parts, but it is easily adjustable to a accommodate a large variety of component shapes and dimensions. The rack include... | 07/21/1992 |
| 5129235 | Compartmentalized transport refrigeration system A vehicle (14) having first and second cargo spaces (32,34) to be conditioned by a transport refrigeration unit (12), with the vehicle having a front wall (24) and a rear wall (26). A partition (30) in the vehicle defines the first and second cargo spaces... | 07/14/1992 |
| 5123263 | Refrigeration system A refrigeration distribution arrangement which improves the uniformity of coil temperature distribution along the length of an evaporator coil. The distribution arrangement is particularly beneficial when an evaporator coil is operating partially flooded ... | 06/23/1992 |
| 5123257 | Transport refrigeration system A transport refrigeration system having a frame which supports a refrigerant compressor, a prime mover for the compressor, condenser and evaporator coils, and an air delivery assembly for moving air through the condenser and evaporator coils. The air deli... | 06/23/1992 |
| 5123253 | Method of operating a transport refrigeration unit A method of operating a transport refrigeration unit having electrical control which includes a display, including the steps of detecting the occurrence of predetermined events in the transport refrigeration unit, and classifying at least certain of them ... | 06/23/1992 |
| 5123252 | Method of operating a transport refrigeration unit A method of operating a transport refrigeration unit with microprocessor based control. The microprocessor automatically selects an operative control algorithm, according to system configuration, with each algorithm having one or more operating conditions... | 06/23/1992 |
| 5123251 | Method of operating a transport refrigeration unit A method of logging the operating time of a plurality of predetermined timeable functions of a transport refrigeration unit which includes the step of providing a plurality of hourmeters, at least certain of which are programmable. One of the plurality of... | 06/23/1992 |
| 5107686 | Compartmentalized transport refrigeration system A transport refrigeration system including host and remote refrigeration systems having local and remote evaporators, respectively, for respectively controlling the temperatures of first and second compartments via cooling and hot gas heating cycles. The ... | 04/28/1992 |
| 5103783 | Detection of engine fuel problems Methods and apparatus for detecting fuel problems of an internal combustion engine, including low fuel, a plugged fuel filter, a pinched fuel line, air in the fuel system, and gelled fuel. The detection of a fuel system problem is followed by engine shutd... | 04/14/1992 |
| 5105096 | Transport refrigeration system with stand-by compressor drive motor also operable as a generator A transport refrigeration system including a refrigerant compressor which is alternatively driven by an internal combustion engine or an electric induction motor. The transport refrigeration system achieves and maintains a predetermined set point temperat... | 04/14/1992 |
| 5088541 | Space dividing panel system with counter cap A space dividing panel system having a plurality of panels. Slotted standards are disposed between adjacent panels, with each slotted standard having first and second vertical rows of slots respectively accessible from opposite sides of the panels. A coun... | 02/18/1992 |
| 5088250 | Panel for an office space dividing system A substantially rectangular panel suitable for use in an office space dividing system, with the panel including a frame constructed of rails and stiles. The rails and stiles define a window having inner facing edges which include channels for receiving a ... | 02/18/1992 |
| 5074329 | Three-way valve for a refrigeration system A three-way valve for a refrigeration system having a body portion which includes an intermediate member and first and second end bells. The body portion includes an inlet adapted for connection to a refrigerant compressor, first and second major outlets ... | 12/24/1991 |
| 5065556 | Space dividing partition system having an electrical raceway An office space dividing partition having an electrical raceway. The raceway includes an extruded plastic spine having a vertical web; a top portion which includes an extruded mounting slot; a bottom portion which includes first and second extruded groove... | 11/19/1991 |
| 5056324 | Transport refrigeration system having means for enhancing the capacity of a heating cycle A transport refrigeration system which includes a compressor, a condenser, a receiver, an evaporator, an accumulator, and a control valve having cooling and heating output ports which are alternatively connected to first or second refrigerant circuits to ... | 10/15/1991 |
| 5056577 | Office space dividing system An office space dividing system which includes rectangular post-supported panels having central cores and upper wire troughs. Each panel includes two stiles and upper and lower rails constructed of tubular metallic members having the same substantially re... | 10/15/1991 |
| 5046326 | Transport refrigeration system A transport refrigeration system having an evaporator, an evaporator blower, a variable speed drive for the evaporator blower, a refrigerant compressor, and a prime mover for the compressor which includes an internal combustion engine having an output sha... | 09/10/1991 |
| 5033526 | Office space dividing system A space dividing system which includes vertically disposed posts and space dividing panels. Each post includes a center core and a plurality of circumferentially spaced, longitudinally extending T-shaped members having a stem or leg portion integrally joi... | 07/23/1991 |
| 5005372 | Air conditioner unit for mounting on or in the roof of a vehicle An air conditioner unit mounted on or within the roof of a vehicle. The frame of the unit functions as a substantially flat support pan for the air conditioning components, while having a lower portion which accommodates a generic curved contour of most v... | 04/09/1991 |
| 5001908 | Oil separator for refrigeration apparatus An oil separator suitable for separating oil from vaporized refrigerant leaving the high pressure discharge side of a refrigerant compressor, and for returning the separated oil to the compressor crankcase. The oil separator includes an elongated housing ... | 03/26/1991 |
