An apparatus for cryostorage and manipulation of a plurality of container units includes a cryochamber having a cryo-access port. The cryochamber is electrically cooled at cryogenic temperatures. A unit holder is located inside the cryochamber and is configured to hold a plurality of container units. A user access area is provided for selectively permitting access to a chosen container unit by an authenticated user who has been authenticated by the apparatus. A motive grasper is provided for selectively removing the chosen container unit from the cryochamber through the cryo-access port, and selectively placing the chosen container unit into the user access area.

A low-temperature storage device includes an inner vessel, an outer vessel about the inner vessel, a thermal insulation layer between the inner vessel and the outer vessel, and a single heat exchanger in thermal communication with an interior of the inner vessel and adapted to be connected to at least one of an evaporator in a closed-loop refrigeration circuit and an open-loop evaporator for an externally-supplied cryogen. The inner vessel can be a vacuum-insulated vessel, and the heat exchanger can be an internal heat exchanger including at least two fluid circuits: a first circuit with one external connection and one internal connection into the inner vessel and the second circuit with two external connections.

A semiconductor device includes functional circuits electrically coupled to each other and each coupled to a different thermal circuit. The different thermal circuits are configured to maintain different operating temperatures targeted for each corresponding functional circuit. One of the thermal circuits may use a cryogenic liquid to cool the corresponding functional circuit.

A remote system for monitoring and controlling one or more devices for use in the cryogenic processing of a sample is provided. A remote server capable of transmitting freezing profile data to one or more freezers, transmitting transportation profile data to one or more transportation devices, and transmitting thawing profile data to one or more thawing devices. The remote server is also capable of receiving detected data from the one or more freezers relating to the freezing of a sample in accordance with the freezing profile data, receiving detected data from the one or more transportation devices relating to the transportation of a sample in accordance with the transportation profile data, and receiving detected data from the one or more thawing machines relating to the thawing of a sample in accordance with the thawing profile data.

A delivery apparatus and method for delivering liquid cryogen to a chilling application includes a liquid cryogen feed tank; a liquid cryogen conduit in fluid communication between the feed tank and the application, wherein the feed tank is in fluid communication with a vessel which is in fluid communication with the conduit between the feed tank and the application; a weight measurement device for controlling the weight of liquid cryogen to be delivered to the application through the conduit; a flow controller for controlling the speed of delivery of the liquid cryogen to the application; wherein the application utilizes the liquid cryogen and produces an exhaust gas; a device for measuring the temperature of the exhaust gas, the device in operative communication with the flow controller; wherein the flow controller is configured to vary the speed of delivery of liquid cryogen from the vessel through the conduit in response to the temperature of the exhaust gas.

In a cryogenic workbench, a cryogenic laser peening system and a control method, a tapered surface gap d is adjusted, based on the electromagnetic principle, to control the gasification volume of liquid nitrogen, then the temperatures of the copious cooling workbench and the surface of a sample are precisely controlled by means of the adjustment of the heat absorption amount of liquid nitrogen gasification, the temperature adjustment range and the temperature rising/lowering rate of the cryogenic laser peening system are effectively extended, and the precision of the control of the surface temperature of the sample is increased in combination with a closed-loop control. Additionally, an intelligent control of a cryogenic laser peening process is realized by means of a computer and a PLC control unit, whereby the usage amount of liquid nitrogen in the experiment process is reduced and the processing efficiency is improved.

A storage plant for storing objects at the temperature of liquid nitrogen comprises a plurality of storage tanks arranged in a cooled chamber. A nitrogen withdrawal apparatus is provided to carry off evaporated nitrogen directly from the storage tanks before it can enter the chamber. The pressure in the storage tanks is kept below the pressure in the chamber.

A high-precision control system and method for shipborne cryogenic flash freezing of an aquatic product using liquid nitrogen is described. The system may include a main control system, a display unit, a liquid nitrogen supply system, a valve control unit, an acquisition unit, and a power unit. A flash freezing process is divided into four stages: a precooling stage, a flash freezing stage, a deep freezing stage, and a thermal insulation stage. Different cooling rates and flash freezing times are used for different stages, where a cooling rate is used in the flash freezing stage is the highest, a cooling rate used in the deep freezing stage is next, a cooling rate used in the precooling stage is the lowest, and an ambient temperature in a device is kept stable in the thermal insulation stage.

A refrigerating apparatus applied to a refrigerator is disclosed. The refrigerating apparatus includes a refrigerant, a depressurization gas, an evaporator, a condenser, a first connecting pipe, a second connecting pipe, a third connecting pipe, a blower device and a refrigerator body. The evaporator is provided with an inlet and an outlet; the condenser is provided with a condensation cavity, a gas inlet, a gas outlet and a liquid outlet; a molecular sieve membrane is disposed in the condensation cavity; one end of the first connecting pipe is connected to the outlet and the other end to the gas inlet; one end of the second connecting pipe is connected to the liquid outlet and the other end to the inlet; one end of the third connecting pipe is connected to the gas outlet and the other end to the inlet.

An automated cryogenic storage system includes a freezer and an automation system to provide automated transfer of samples to and from the freezer. The freezer includes a bearing and a drive shaft though the freezer, the drive shaft being coupled to a rack carrier inside the freezer and adapted to be coupled to a motor. The automation module includes a rack puller that is automatically positioned above an access port of the freezer. The rack puller engages with a sample rack within the freezer, and elevates the rack into an insulating sleeve external to the freezer. From the insulating sleeve, samples can be added to and removed from the sample rack before it is returned to the freezer.