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公开(公告)号:DE59900363D1
公开(公告)日:2001-12-06
申请号:DE59900363
申请日:1999-02-10
Applicant: ROBATECH AG MURI
Inventor: MEYER THOMAS
Abstract: At least the one delivery pump is of the intermittently working type, particularly a piston pump (14). The second of the delivery pumps is of the continuously working type, particularly a gearwheel pump (16). Alternatively, the second pump can be a further piston pump. The two piston pumps are so controllable with timed displacement that the conduit system is always under pressure.