15.    The inpidual coffee preparation unit according to claim 1, wherein each inpidual heating unit (46) has at least one heating plunger (77), a regulating sensor (78) and a safety sensor (79), and each electrovalve (48) includes a discharge element (80) to evacuate water from the electro¬valve (48).
16.    The inpidual coffee preparation unit according to claim 1, wherein a microprocessor is connected to an injection pump (24) and to each of the electrovalves (48) for controlling flow of water through said inpidual coffee preparation unit.
17.    The inpidual coffee preparation unit according to claim 1, wherein the inpidual coffee preparation unit has a supply valve (22) which is connected to a water softener (23), and the water softener (23) is connected to supply water to both a pump (24) and a central heating unit (20) for providing heater water for other purposes.
18.    An inpidual coffee preparation unit for the prepa-ration and distribution of coffee for an espresso coffeemaker, the inpidual coffee preparation unit comprising:
a body (8) having a lower support plate (9) for supporting at least one cup and a front portion (11) of the indi-vidual coffee preparation unit having a lower base plate (12), spaced from the lower support plate (9), support-ing a plurality of coffee preparation units (2,3, 4), each one of the plurality of coffee preparation units (2, 3, 4) having a coffee injection group (40, 41) connected to a supply of electrically heated water for receiving water and preparing coffee;
wherein each one of the injection groups (40, 41) is connected to an inpidual heating unit (46) via a first flexible hydraulic connector (47), an electrovalve (48) is provided in the flexible hydraulic connector (47) to control a flow of heated water therethrough, and each one of the injection groups (40, 41) comprises a suc-cession of assembled elements directly attached to the subsurface of the lower base plate (12) of the front portion (11), the succession of assembled elements defines an distribution chamber communicating with a spray element (51), and a holder (55) is attached to the subsurface of the lower base plate (12) for supporting a container supporting coffee, and an end of the first flexible hydraulic connector (47), remote from the
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inpidual heating unit (46), communicates with the distribution chamber for supplying heated water to the injection group (41) for preparing coffee; and each the injection group (40, 41) has a second flexible hydraulic connector (65) which connects a hydropneumatic stor-age (64) with the distribution chamber of the succes¬sion of assembled elements.
19.    The inpidual coffee preparation unit, according to claim 18, wherein the hydropneumatic storage (64) is a closed unit which is sealed and hydraulically connected to the distribution chamber of the injection group (40, 41) by the second flexible hydraulic connector (65).
20.    An inpidual coffee preparation unit for the prepa-ration and distribution of coffee for an espresso coffeemaker, the inpidual coffee preparation unit comprising:
a body (8) having a lower support plate (9) for supporting at least one cup and a front portion (11) of the indi¬vidual coffee preparation unit having a lower base plate (12), spaced from the lower support plate (9), support¬ing a plurality of coffee preparation units (2,3, 4), each one of the plurality of coffee preparation units (2, 3, 4) having a coffee injection group (40, 41) connected to a supply of electrically heated water for receiving water and preparing coffee;
wherein each one of the injection groups (40, 41) is connected to an inpidual heating unit (46) via a first flexible hydraulic connector (47), an electrovalve (48) is provided in the flexible hydraulic connector (47) to control a flow of heated water therethrough, and each one of the injection groups (40, 41) comprises a suc-cession of assembled elements directly attached to the subsurface of the lower base plate (12) of the front portion (11), the succession of assembled elements defines an distribution chamber communicating with a spray element (51), and a holder (55) is attached to the subsurface of the lower base plate (12) for supporting a container supporting coffee, and an end of the first flexible hydraulic connector (47), remote from the inpidual heating unit (46), communicates with the distribution chamber for supplying heated water to the injection group (41) for preparing coffee; and each electrovalve (48) contacts the body (8) of the inpidual coffee preparation unit to facilitate dissipation of heat, generated by the electrovalve (48), to the body (8) during use. 咖啡机英文文献和中文翻译(8):http://www.751com.cn/fanyi/lunwen_34033.html