The invention relates to a method for controlling a flow generator (1) in a tank (20) configured for housing a liquid comprising solid matter, the flow generator (1) comprising an impeller and being located at a height (h-mixer) in the tank (20) and the tank (20) having a predetermined maximum filling height (h-max), wherein the flow generator (1) is configured to be operated at a variable operational speed (n) and the demand of operational speed (n-demand) is dependent on the present liquid level height (h-present) in the tank (20), wherein a max operational speed (n-max) of the flow generator (1) is the operational speed required when the liquid level in the tank (20) is equal to the maximum filling height (h-max), the present operational speed (n-present) being set equal to the demand of operational speed (n-demand) of the flow generator (1) that is determined using the formula:

[00001]$\left(n-\mathrm{present}\right)=\left(n-\mathrm{demand}\right)=\frac{\left(n-\max \right)}{\left[\left(h-\max \right)/\left(h-\mathrm{present}\right)\right]^a}$

at least when [(h-mixer)+X]≤(h-present)≤(h-max), wherein a≥(¼) and a<1, X=radius of the impeller of the flow generator+1, and all heights and measures are given in meter.

The invention relates to a method for controlling a flow generator (1) in a tank (20) configured for housing a liquid comprising solid matter, the flow generator (1) comprising an impeller and being located at a height (h-mixer) in the tank (20) and the tank (20) having a predetermined maximum filling height (h-max), wherein the flow generator (1) is configured to be operated at a variable operational speed (n) and the demand of operational speed (n-demand) is dependent on the present liquid level height (h-present) in the tank (20), wherein a max operational speed (n-max) of the flow generator (1) is the operational speed required when the liquid level in the tank (20) is equal to the maximum filling height (h-max), the present operational speed (n-present) being set equal to the demand of operational speed (n-demand) of the flow generator (1) that is determined using the formula:

[00001]$\left(n-\mathrm{present}\right)=\left(n-\mathrm{demand}\right)=\frac{\left(n-\max \right)}{\left[\left(h-\max \right)/\left(h-\mathrm{present}\right)\right]^a}$

at least when [(h-mixer)+X]≤(h-present)≤(h-max), wherein a≥(¼) and a<1, X=radius of the impeller of the flow generator+1, and all heights and measures are given in meter.

A surgical system including a surgical tool and a navigation system for tracking the position of the surgical tool. The surgical tool comprising a housing including a variable speed motor and control module disposed within the housing. The navigation system comprising a navigation console in communication with the control module of the surgical tool, the navigation console may be configured to communicate instructions to the control module of the surgical tool based on the position of the surgical tool relative to a defined zone. The navigation console may be configured to deactivate the surgical tool based on the position of the surgical tool relative to the defined zone. The navigation console may also be configured to provide a user-selectable override option to allow continued operation of the surgical tool within the defined zone.

The present disclosure relates to a food preparation appliance comprising a food preparation pot and a rotatable tool for chopping and/or blending a food in the food preparation pot wherein the tool is detachably connected to a shaft, which is at least partially outside the food preparation pot in order to be coupled to a drive for rotation. Further, a locking mechanism is provided for connecting the tool to the shaft in a locked manner. The locking mechanism is arranged in such a way that, during operation, the tool can be driven by the shaft in both rotation directions for chopping and/or blending a food.

A system for driving a reel mixing tool, including a unit structure, a bottom output shaft, an output gearbox, a reel mixer driveshaft, a reel mixer gearbox, a flexible coupling, and a reel mixing tool, is provided. The unit structure supports the bottom output shaft which is connected to the output gearbox, the output gearbox is connected to the reel mixer driveshaft, the reel mixer driveshaft is connected to the reel mixer gearbox, the reel mixer gearbox is directly coupled to the reel mixing tool by the flexible coupling, allowing the bottom output shaft to transfer power through to the reel mixing tool.

A mini mixer system includes a mixer, for executing a continuous mixing operation for an extended period of time, the mixing operation includes a mixing production process with corrosiveness, high viscosity and high mixing risks. The mixer includes a motor, a coupling and torsion meter, a reduction gear, a plurality of couplings, a frame group, a gear box group, at least one mixing element, a mixing can and a lifting mechanism group. The motor, the coupling and torsion meter and the reduction gear are connected to one another by the couplings. The reduction gear is connected to the gear box group by the coupling. The motor, the reduction gear, the gear box group and the lifting mechanism group are all fixed on the frame group. The mixer is assembled in a gear mechanism of the gear box group. The mixing can is disposed on the lifting mechanism group.

The present invention relates to a mixer, preferably to a ring-pan mixer, having a mixing trough and a mixer rotor that is rotatable via a drive motor about a substantially vertical axis of rotation and at which at least one mixing tool drivable via a separate drive motor is arranged rotatable about a separate axis of rotation, wherein the drive speeds of the mixer rotor and of the at least one mixing tool can be set independently of one another, with the mixer rotor and the at least one mixing tool being able to be set via a transmission independently of one another.

The present disclosure suggests a food waste treatment apparatus. A food waste treatment apparatus in accordance with an exemplary embodiment of the present disclosure includes: a housing including a food inlet opening at its top surface; an inner chamber where food introduced through the food inlet opening is collected; a stirring unit provided within the inner chamber and configured to stir food waste; an outer chamber positioned outside the inner chamber; and a rotation driving unit configured to rotate the stirring unit and the inner chamber, and the inner chamber and the stirring unit are rotated by the rotation driving unit in opposite directions.

A stirrer (1; 100) for stabilizing liquid binding unfinished products intended to form ceramic items comprising a support shaft (2) individuating a longitudinal rotation axis (Y) and contained into a mixing tank (V) of the liquid binding unfinished product, motorization means (3) operatively connected with the support shaft (2) in order to rotate it around the longitudinal axis (Y), and a main operating blade (4), coupled with the support shaft (2) through interconnection means (5) in such a way as to be contained into the mixing tank (V) in order to interfere with the liquid binding unfinished product and cause its continuous mechanical mixing action inside the mixing tank (V) itself when the support shaft (2) rotates around the longitudinal axis (Y). In this case, the stirrer (1) includes a thermoregulation circuit (6), which extends within the support shaft (2) and within the main operating blade (4) and is connected with an external source for supplying a heat transfer fluid crossing the thermoregulation circuit (6) in such a way as to exchange heat with the liquid binding unfinished product within the mixing tank (V), in order to bring the it to a predefined temperature, while the support shaft (2) and the main operating blade (4) integral with it rotate around the longitudinal axis (Y).

Provided is a bidirectional simultaneous rotary blade bundle for a mixer, the bidirectional simultaneous rotary blade bundle comprising: a housing (110); a forward rotary shaft (120) installed on the housing (110); a forward rotation blade (K1) provided on the forward rotary shaft (120); a central gear (130) axially installed on the forward rotary shaft (120); horizontal insertion gears (141, 142, and 143) engaged with the central gear (130); a reverse rotor (160), of which inner gear teeth (164) are engaged with and rotate on the outside of the horizontal insertion gears (141, 142, and 143); and a reverse rotation blade (K2) installed on the reverse rotor (160), wherein the horizontal insertion gears (141, 142, and 143) are rotated in the reverse direction according to the forward rotation of the central gear (130) such that the inner gear teeth (164) are rotated in the reverse direction.