Screw pump with vapor barrier
First Claim
1. A dual-spindle screw pump having a pump housing for a medium to be conveyed, in particular a foodstuff, comprising:
- a pump section,at least one bearing section, andat least one gear section,wherein the at least one bearing section and the pump section are constructed separately from one another,wherein the pump section is a product chamber through which the medium is conveyed, comprising;
a conveyor housing part as a constituent part of the pump section in which two conveying screws that are arranged on shafts are provided,at least one feed section, andat least one removal section as constituent parts of the pump section,wherein the product chamber has comprisesat least one parting line having a connection to the surrounding atmosphere, anda groove as a channel for hot vapor, the groove comprising at least one sealing ring which seals the hot vapor between the product chamber and the surrounding atmosphere,wherein the sealing ring comprises a first wall portion and a second wall portion and the first and the second wall portion are connected by way of a connecting bridge which is arranged at a right angle on the wall portions, andwherein the connecting bridge has openings for vapor to pass through.
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Accused Products
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 the groove (31) at least one seal (40) which seals the vapor channel (38) off from the product chamber (26) and from the surrounding atmosphere (29).
8 Citations
14 Claims
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1. A dual-spindle screw pump having a pump housing for a medium to be conveyed, in particular a foodstuff, comprising:
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a pump section, at least one bearing section, and at least one gear section, wherein the at least one bearing section and the pump section are constructed separately from one another, wherein the pump section is a product chamber through which the medium is conveyed, comprising; a conveyor housing part as a constituent part of the pump section in which two conveying screws that are arranged on shafts are provided, at least one feed section, and at least one removal section as constituent parts of the pump section, wherein the product chamber has comprises at least one parting line having a connection to the surrounding atmosphere, and a groove as a channel for hot vapor, the groove comprising at least one sealing ring which seals the hot vapor between the product chamber and the surrounding atmosphere, wherein the sealing ring comprises a first wall portion and a second wall portion and the first and the second wall portion are connected by way of a connecting bridge which is arranged at a right angle on the wall portions, and wherein the connecting bridge has openings for vapor to pass through. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification