Agitating – By movement of support for removable mixing chamber – Mixing chamber secured to support
Patent
1980-10-30
1982-07-27
Coe, Philip R.
Agitating
By movement of support for removable mixing chamber
Mixing chamber secured to support
464 66, B01F 1100, F16H 2146
Patent
active
043414753
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention concerns a process for driving a rigid body which, for producing tumbling movements in gimbal suspensions is displaceable about two mutually spaced axes directed in different directions and which is drivable by a drive means and a transmission between the drive means and the gimbal suspensions, whereby the body performs a non-uniform rotary movement with periodic wobbles during the tumbling movement.
The body serves particularly as a hollow body for receiving goods to be processed which are to be subjected to physical or chemical processes, whereby because of the simultaneous tumbling and rotary movements particularly favourable effects are achieved with regard to the course of such processes.
During simultaneous tumbling and rotary movements of a hollow body more or less filled with goods to be treated, inertial forces arise which do not permit the drive to be achieved by means of simple transmission means. Additionally, when the body rotates around two mutually spaced skew axes, in the mutually oppositely rotating driving elements carrying the gimbal suspensions differing angular velocities arise which are exerted in a periodically alternating manner from the side of the body on these driving elements because of the kinematics of the arrangement, which may be regarded as a swivel-joint. For these reasons it is not advisable to utilise positively connected transmission means for driving the body. Since however, on the other hand, the effects of spatial three-dimensionally directed longitudinal and rotary movements arising through the suspension of the body on the goods to be processed in the body have proved to be particularly favourable in relation to the course of physical and chemical processes, and the achievement of homogeneous mixtures, etc., the task is to provide a drive with which the above-mentioned problems may be solved and in which the non-uniformities of motion due to the kinematics and the inertial forces are compensated or balanced to such an extent that sufficiently high r.p.m. is achievable to satisfy the economic installation of such machine. Furthermore it is important to provide a construction of the machine which makes it possible for the material to be processed within the body to be subjected to the specific process in a continuous process rather than in a batch-wise manner.
To solve the above-mentioned tasks, the process described above is characterised according to the invention in that in order to balance torque fluctuations caused by the difference in angular velocities at the driving side and driven side of the transmission and by inertial forces, torque is periodically alternatingly stored in torque-transmitting members of the said transmission and returned to the latter. In this way suitable transmission forces caused by excess of torque are passed into a resiliently yielding energy store and during periods of shortfall, the stored energy or forces are passed back from the energy stores into the transmission. During periods of an excess of torque, an oppositely directed torque is produced and passed back into the transmission, and on the other hand during periods of torque shortfall, an additional equidirectional torque is produced and passed back into the transmission. Finally, in an expedient manner, periodically torque may be removed from the transmission, stored and then passed back into the transmission.
The invention also concerns apparatus for carrying out the process. The apparatus comprises a body which, for producing tumbling movements in gimbal suspensions, is displaceable about two mutually spaced axes directed in different directions and which includes a drive means as well as transmission means between the drive means and rotatably journalled shafts with which latter a respective one of the gimbal suspensions for the body is connected. The apparatus is according to the invention characterised in that the transmission means include torque transmitting members one of which is operatively connected with the drive means an
REFERENCES:
patent: 2302804 (1942-11-01), Schatz
patent: 3487706 (1970-01-01), Resener
patent: 3952545 (1976-04-01), Koeslin
Burgel AG
Coe Philip R.
Simone Timothy F.
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