摘要:
A method and apparatus for forming a film of cooking oil on a pan (12, 13, 14) surface wherein cooking oil, either ionizable or nonconducting, is delivered through an atomizing nozzle (42) to form oil droplets (44). For readily ionizable oils, the oil droplets are sprayed between a pair of spaced electrodes (45) charged to a potential between four and ten kilovolts to ionize and positively charge the droplets. The spray of ionized oil droplets (46) is directed toward the surface of a pan (12) which is grounded to attract the positively charged droplets. Upon impingement of a droplet against the pan (12) surface, flow of electrical current from the surface of the droplet (46) to the surface of the pan (12) combined with the splattering tendency of the droplet (46) improves the wetting capability of the droplet (46) to form a continuous oil film over the pan (12) surface.
摘要:
A paint color change system (10) and method for sequentially supplying different color electrically conductive paints to an electrostatic applicator (23). paint is supplied through a supply hose (31 ) to a first isolated reservoir (21 ) and the supply hose (31 ) is purged and dried to form a voltage block. While paint is supplied through a first delivery hose (36) from the first reservoir (21) to an applicator (23), a second reservoir (22) is cleaned, paint is supplied to the second reservoir (22) through a supply hose (52), and the supply hose (52) is purged of paint and dried to form a voltage block. Upon completion of coating with the first color paint, the first delivery hose (36) is purged of paint and dried to form a voltage block and paint then is supplied from the second reservoir (22) through a second delivery hose (57) to the coating applicator (23). If the same color paint is applied from both reservoirs (21, 22), the first delivery hose (36) can be cleaned and dried after paint delivery from the second reservoir (22) has started to permit continuous coating.
摘要:
Der Hochspannungsschalter hat einen von einer Kolben-Zylinder-Einheit (27) linear längs einer Achse eines mit Isolieröl gefüllten Gefäßes (20) verschiebbar gelagerten Schaltkopf (10), auf dem mindestens zwei elektrisch leitend miteinander verbundene Kontaktstücke (aʹ, bʹ) angeordnet sind, die auf derselben Seite des Schaltkopfes (10) in achsparalleler Richtung je einen festen Gegenkontaktstück (a, b) zugewandt sind. Mindestens das eine Kontaktstück (a, b) jedes Kontaktstückpaares ist nachgiebig ausgebildet, so daß es dem jeweils anderen Kontaktstück bei der gegenseitigen Berührung elastisch nachgibt.
摘要:
An electrostatic spray gun (10) for spraying solid particulate powder materials entrained in a gas medium in a flat pattern including an electrically non-conductive housing (16) and a nozzle (12) to which is rotatably mounted an orifice restricting element (61) with a pair of edges (75) which move across the nozzle orifice (49) as the element (61) is rotated to adjustably restrict the orifice (49) and thereby vary the width of the flat powder spray pattern.