| 摘要 |
The invention relates to a water jet loom (1) comprising means (11) for forming a shed (13) of warp yarns (12), with inserting means (14, 16) being disposed on one side or on both sides of the shed (13) for inserting one or several different weft yarns (15) into the shed (13) by means of a pulsed water jet, which inserting means are made up of: a plunger pump (20) comprising a plunger housing (22) having a plunger chamber, which can hold an amount of water required for every weft yarn, as well as a plunger (23) that is movable within the plunger chamber (22) under the influence of a pre-tensionable plunger spring element that is accommodated in the housing. The invention also relates to a plunger pump for use in a water jet loom. The object of the invention is to provide a water jet loom and a plunger pump as referred to in the introduction, which enable a quick and especially automatic adjustment of the plunger pump to the type of weft yarn. According to the invention, the water jet loom comprises comparing means (34) arranged for comparing a detected time of arrival of the weft yarn at a particular position in the shed with a desired time of arrival and for delivering a signal in case a difference is detected between the two times, as well as adjusting means arranged for adjusting the pulsed water jet as delivered by the inserting means on the basis of said signal. |
