摘要:
An electrophotographic image forming apparatus capable of bringing one developing unit among a plurality of developing units thereof into an operative state.To accomplish the developing unit changeover operation in the least necessary time, control means accepts an image forming operation start signal during the developing unit changeover operation to start the image forming operation immediately after the completion of the developing unit changeover operation and accepts a selection signal selecting an another developing unit during the developing unit changeover operation. Furthermore, when the developing unit changeover operation for bringing a developing unit into an operative state is interrupted and then the same developing unit is assigned again to operation, the developing unit changeover operation subsequent to the interruption of the developing unit changeover operation process is carried out in a time corresponding to the residual time in a time allocated for the interrupted developing unit changeover operation.
摘要:
An recording apparatus of the present invention has a manual paper feed mechanism which includes a paper inlet, a timing roller and a paper outlet. When a paper is inserted into the paper inlet at a proper timing, the paper is recorded images thereon and then discharged out of the paper outlet. When the paper is inserted at an improper timing, for example, during the rotation of the timing roller, however, the paper is discharged out of the paper outlet without image recording thereon.
摘要:
A refrigeration-cycle component assembly includes a pipe connecting member, a box temperature-sensitive expansion valve, an ejector, a passenger-compartment high-pressure pipe, and a passenger-compartment low-pressure pipe. The component assembly is provided in a flat space, which is defined at a side of an air-conditioning unit in a vehicle transverse direction, and which is flat in the vehicle transverse direction. The pipe connecting member and the refrigerant suction portion are intensively arranged at a vehicle front side in the flat space. The component assembly is entirely covered by a heat insulating member.
摘要:
A refrigerant cycle device includes a branch portion for branching a flow of refrigerant discharged from a compressor, a first radiator for radiating one high-temperature and high-pressure refrigerant branched at the branch portion, an ejector including a nozzle portion for decompressing refrigerant on a downstream side of the first radiator, a second radiator for radiating the other high-temperature and high-pressure refrigerant branched at the branch portion, a throttle device for decompressing refrigerant on a downstream side of the second radiator, and a suction side evaporator for evaporating refrigerant downstream of the throttle device and for allowing the refrigerant to flow to an upstream side of a refrigerant suction port of the ejector. Furthermore, the first and second radiators are disposed downstream of the branch portion such that a heat radiation amount of refrigerant in the first radiator is smaller than that in the second radiator.
摘要:
An image forming apparatus that warns that a JOB fails to be pulled out is provided. Warning processes executed by a CPU of a printer that is one example of the image forming apparatus includes the steps of determining whether a JOB list is updated, setting a job counter JB_S_CTA for checking JOB at an initial value “1” and setting an upper limit counter JB_S_CTB at an upper limit value when the JOB list is updated, executing a failure-to-pull-out warning process if JOBs counted by JB_S_CTA belong to the same client, and incrementing the JB_S_CTA by “1”.
摘要:
An ejector includes a nozzle for decompressing a fluid in any one state of a gas-liquid state, a liquid state and a super-critical state, and a body portion having a fluid suction port and a mixing and pressurizing portion. The ejector is provided with a suction passage through which a fluid drawn from the fluid suction port flows into the mixing and pressurizing portion. The suction passage is changed such that the fluid drawn from the fluid suction port is decompressed in the suction passage in iso-entropy. Alternatively, the suction passage is changed such that a flow velocity of the fluid flowing into the mixing and pressurizing portion from the suction passage is substantially equal to a flow velocity of the fluid flowing from a jet port of the nozzle into the mixing and pressurizing portion, or is equal to or larger than the sound velocity.
摘要:
A process cartridge having a nonvolatile memory for storing prescribed information corresponding to addresses is detachably attached to a main body of an image forming device. The nonvolatile memory stores first destination information of “shipment destination” data to be used to control the printing operation by a control system of the main body of the image forming device and second destination information of “lot No.” data not to be used to control the printing operation by the control system. The nonvolatile memory allows the image forming device to perform an appropriate printing operation without changing a program of the main body of the image forming device even when a new destination is arisen for a reason of production management, marketing etc. after beginning to put the image forming device on the market.
摘要:
A unit for a refrigerant cycle device includes an ejector that has a nozzle part which decompresses refrigerant, and a refrigerant suction port from which refrigerant is drawn by a high-speed refrigerant flow jetted from the nozzle part, a first evaporator connected to the outlet of the ejector, and a second evaporator connected to the refrigerant suction port of the ejector. One of the first evaporator and the second evaporator has a tank structure that includes a tank for distributing refrigerant into or for collecting the refrigerant from refrigerant passages of a heat exchanging part. The tank has therein a first space through which the refrigerant discharged from the outlet of the ejector flows into a heat exchanging part of the first evaporator, and a second space through which the refrigerant to be drawn into the refrigerant suction port flows into a heat exchanging part of the second evaporator.
摘要:
A refrigeration cycle device includes a double tube for exchanging heat between a high-pressure refrigerant to be decompressed by a decompressor and a low-pressure refrigerant to be drawn by a compressor. The decompressor controls a dryness and a superheat degree of an outlet side refrigerant flowing from an outlet of the low-pressure side heat exchanger to the double tube in accordance with a temperature of the outlet side refrigerant or a suction side refrigerant flowing from the double tube to a suction port of the compressor. Thus, the dryness of the outlet side refrigerant is equal to or larger than 0.9 and the superheat degree of the outlet side refrigerant is equal to or lower than 5° C.
摘要:
An ejector cycle device includes a compressor, a refrigerant radiator disposed to radiate heat of refrigerant discharged from the compressor, an ejector having a nozzle, a first evaporator for evaporating refrigerant from the ejector, a branch passage, which is branched from a refrigerant downstream side of the refrigerant radiator and is connected to a refrigerant suction port of the ejector, a throttle member disposed in the branch passage to decompress refrigerant flowing from the refrigerant radiator, a second evaporator disposed in the branch passage between the throttle member and the refrigerant suction port of the ejector, and a gas-liquid separator having an inlet connected to a downstream side of the first evaporator and an outlet from which gas refrigerant is introduced to a refrigerant suction side of the compressor. Thus, refrigerant amounts flowing to the first and second evaporators can be suitably controlled.