Abstract: The invention relates to a dual-spindle helical spindle pump with a single-entry design, comprising a pump housing (11) which has a pump portion (12), a bearing portion (13) and a gear portion (14) with a gear chamber, wherein the bearing portion (13) and the pump portion (12) are designed separately from one another, comprising a feed housing part (50) as a component of the pump portion (12) in which two feed screws (17, 18) are provided, said feed screws having flanks (46) and being arranged on shafts (15, 16) in a feed space (51), wherein the shafts (15, 16) are mounted in the bearing portion (13) (external bearing system) and extend into the gear portion (14), and wherein the feed housing part (50) has at least one feed portion (52) with an inner wall (58) which faces the outer face (59) of the feed screws (17, 18).

Abstract: The invention relates to a dual-spindle helical spindle pump with a single-entry design, comprising a pump housing (11) which has a pump portion (12), a bearing portion (13) and a gear portion (14) with a gear chamber, wherein the bearing portion (13) and the pump portion (12) are designed separately from one another, comprising a feed housing part (50) as a component of the pump portion (12) in which two feed screws (17, 18) are provided, said feed screws having flanks (46) and being arranged on shafts (15, 16) in a feed space (51), wherein the shafts (15, 16) are mounted in the bearing portion (13) (external bearing system) and extend into the gear portion (14), and wherein the feed housing part (50) has at least one feed portion (52) with an inner wall (58) which faces the outer face (59) of the feed screws (17, 18).

Abstract: A dual-spindle screw pump having a pump housing (11) for a medium to be conveyed, in particular a foodstuff, which has a pump section (12), at least one bearing section (16) and at least one gear section (17), wherein the at least one bearing section (16) and the pump section (12) are constructed separately from one another, wherein the pump section is a product chamber (26) through which the medium is conveyed, having a conveyor housing part (13) as a constituent part of the pump section (12) in which two conveying screws (20, 21) that are arranged on shafts (18, 19) are provided, having at least one feed section (22) and at least one removal section (23) as constituent parts of the pump section (12), preferably each having a connection flange (24, 25), wherein the product chamber (26) has at least one parting line (28) having a connection to the surrounding atmosphere (29), which is provided with a vapor barrier (30) having a groove (31) as the vapor channel (38), characterized in that there is provided in

Abstract: The invention relates to a two-spindle screw pump of single-flow construction, comprising a pump housing, which has a pump portion, a bearing portion and a gear portion with a gear chamber, wherein the bearing portion and the pump portion are realized separately from each other characterized in that the gearwheel and the fastening element (and thus the shaft) are mutually rotatable, so that a spacing of the flanks of the feed screws (the flank clearance of the feed screws) is adjustable, that an opening is provided on the gear portion of the pump housing, that the opening is provided with a detachable cover, that the opening is arranged such that the cover is detachable in the mounted state of the screw pump, and that the gear chamber, for the adjustment of the flank clearance of the feed screws, can be reached with the tool necessary for this purpose.

Abstract: A dual-spindle screw pump having a pump housing (11) for a medium to be conveyed, in particular a foodstuff, which has a pump section (12), at least one bearing section (16) and at least one gear section (17), wherein the at least one bearing section (16) and the pump section (12) are constructed separately from one another, wherein the pump section is a product chamber (26) through which the medium is conveyed, having a conveyor housing part (13) as a constituent part of the pump section (12) in which two conveying screws (20, 21) that are arranged on shafts (18, 19) are provided, having at least one feed section (22) and at least one removal section (23) as constituent parts of the pump section (12), preferably each having a connection flange (24, 25), wherein the product chamber (26) has at least one parting line (28) having a connection to the surrounding atmosphere (29), which is provided with a vapor barrier (30) having a groove (31) as the vapor channel (38), characterized in that there is provided in

Abstract: The invention relates to a double-screw screw-spindle pump (10) of single flow design having a pump housing (11) which has a pump section (12), a bearing section (16) and a gear mechanism section (17) with a gear mechanism space (32), the bearing section (16) and the pump section (12) being configured separately from one another, having a conveyor housing part (13) as a constituent part of the pump section (12), in which two conveying screws (24, 25) which have flanks (42, 43) and are arranged on shafts (22, 23) are provided, the shafts (22, 23) being mounted in the bearing section (26) (external bearing) and extending into the gear mechanism section (17). It is an object of the invention to improve the abovementioned pump such that highly viscous, non-flowing media can be conveyed.

Abstract: The invention relates to a twin screw pump of double-flow design with a pump housing, two bearing portions and at least one gear portion with at least one gear chamber, with feed screws with double-flow flanks arranged on two shafts, the feed screws on the shafts having a root diameter, the shafts being mounted in the bearing portions via bearings, a seal for sealing the bearing portion with respect to the conveying portion, with gearwheels arranged on the shafts in the gear portion, the shafts being rotatably coupled by means of said gearwheels, characterized in that on either side the inner diameter of the seal is greater than, or the same size as, the root diameter of the feed screws, and/or in that on either side the inner diameter of the bearing is greater than, or the same size as, the inner diameter of the seal.

Abstract: The invention relates to a two-spindle screw pump of single-flow construction, comprising a pump housing, which has a pump portion, a bearing portion and a gear portion with a gear chamber, wherein the bearing portion and the pump portion are realized separately from each other characterized in that the gearwheel and the fastening element (and thus the shaft) are mutually rotatable, so that a spacing of the flanks of the feed screws (the flank clearance of the feed screws) is adjustable, that an opening is provided on the gear portion of the pump housing, that the opening is provided with a detachable cover, that the opening is arranged such that the cover is detachable in the mounted state of the screw pump, and that the gear chamber, for the adjustment of the flank clearance of the feed screws, can be reached with the tool necessary for this purpose.