A thermal immersion circulator can comprise a heater including a hollow cylindrical main body having an inlet opening at a first end thereof and an outlet opening in a side wall thereof. The heater can include a flexible circuit board having a plurality of resistive bands controlled by controlling electronics such as TRIACs, which can be water-cooled. A thermal immersion circulator including such a heater can be used in scientific laboratories or sous vide food cooking.

Devices, systems, and apparatuses for heating a liquid are disclosed herein. In one embodiment, a heater includes a base comprising a generally planar surface and at least two heater pillars and a sensor pillar configured on the base. The at least two heater pillars each comprise heating elements. The sensor pillar includes a thermal sensor. A mixing element is configured on the generally planar surface of the base and is coupled to a mixing motor. When powered, the heating elements of the heater pillars are configured to generate heat and the mixing motor is configured to cause the mixing element to rotate.

A method for processing a fluid includes removably securing a retention member to a vessel that bounds a chamber; inserting a collapsible bag within the chamber of the vessel; securing the bag to the retention member so that the bag is supported within the chamber of the vessel; and dispensing a fluid into a compartment of the collapsible bag supported within the chamber of the vessel. The fluid can be mixed within bag while the bag is disposed within the vessel.

Devices, systems, and apparatuses for heating a liquid are disclosed herein. In one embodiment, a heater includes a base comprising a generally planar surface and at least two heater pillars and a sensor pillar configured on the base. The at least two heater pillars each comprise heating elements. The sensor pillar includes a thermal sensor. A mixing element is configured on the generally planar surface of the base and is coupled to a mixing motor. When powered, the heating elements of the heater pillars are configured to generate heat and the mixing motor is configured to cause the mixing element to rotate.

A thermal immersion circulator can comprise a heater including a hollow cylindrical main body having an inlet opening at a first end thereof and an outlet opening in a side wall thereof. The heater can include a flexible circuit board having a plurality of resistive bands controlled by controlling electronics such as TRIACs, which can be water-cooled. A thermal immersion circulator including such a heater can be used in scientific laboratories or sous vide food cooking.

A kit for a bioreactor includes a bioreactor bag, a connector, an impeller assembly, and a clamp. The connector defines an aperture. The connector also includes a welding surface extending between a first end and a second end, with the second end including an outwardly extending flange. The welding surface can be heat-sealable to the bioreactor bag. The impeller assembly includes a shaft and a blade configured to pass through the aperture. The impeller assembly includes an impeller flange configured to contact the flange of the connector when the impeller shaft is received in the aperture. The impeller assembly also includes a bearing supporting the impeller shaft. The clamp is configured to secure the connector flange to the impeller assembly. Preparing a bioreactor includes welding the connector to the neck of the bioreactor bag and then inserting the shaft and blade through the aperture into the bioreactor bag.

An open-topped drinking cup and a lid comprising a lid cover and a mixing device for holding and mixing a condiment into a beverage held in the dinking cup. The lid cover defines a circular mounting aperture within which the mixing device is displaceably located. The mixing device includes at least two mixing elements which are connected to another so as to be telescopically displaceable relative to one another between a retracted condition and an extended condition wherein the mixing device extends into the beverage. The mixing device includes a condiment chamber which is defined within a mixing element for holding a condiment such as sugar. The mixing device further includes a mixing element which has a number of circumferentially-spaced slots through which the condiment is discharged into the beverage.

An open-topped drinking cup 10 and a lid 12 comprising a lid cover 14 and a mixing device 16 for holding a mixing a condiment into a beverage 44 held in the dinking cup. The lid cover defines a circular mounting aperture 22 within which the mixing device is displaceably located. The mixing device 16 includes four tubular mixing elements 32.1, 32.2, 32.3, and 32.4 which are connected to another so as to be telescopically displaceable relative to one another between a retracted condition and an extended condition wherein the mixing device extends into the beverage 44. The mixing device 16 includes a condiment holder comprising a condiment chamber 36 which is defined within the mixing element 32.1, for holding a condiment 38 such as sugar. The mixing element 32.4 has a number of circumferentially-spaced slots 42 through which the condiment 38 is discharged into the beverage 44.

An agitating system of an agricultural system includes a brace configured to couple to a sub-hopper of the agricultural system and a support configured to engage the brace and to support a shaft within the sub-hopper. The support includes a support piece having a first portion configured to receive the shaft and the brace has a recess configured to receive the first portion of the support piece while the support is in an installed configuration.

A method for processing a fluid includes removably securing a retention member to a vessel that bounds a chamber; inserting a collapsible bag within the chamber of the vessel; securing the bag to the retention member so that the bag is supported within the chamber of the vessel; and dispensing a fluid into a compartment of the collapsible bag supported within the chamber of the vessel. The fluid can be mixed within bag while the bag is disposed within the vessel.