Pumping method and device

A pump arrangement comprising at least one armature element arranged to absorb and store kinetic energy during an acceleration phase;

• an ejecting device forming a pressure space for a working fluid to be pumped and having a feeding device, a working-fluid spraying device and a blocking element therein, the blocking element covering the pressure space on one side and being subjected to the kinetic energy of the armature element;
• wherein the kinetic energy is converted by a surge movement into a pressure surge, and said kinetic energy conveying the pressure surge to the working fluid, wherein a pressure-accumulating-space cylinder, is arranged upstream of the blocking element and the armature element in such a manner to transmit the stored, kinetic energy in a surge-like manner to operating fluid transferred therethrough;
• wherein the ejecting device is arranged upstream of the pressure-accumulating-space cylinder in an axial manner on a delivery side and an electromagnetic drive unit is arranged downstream on a drive side;
• and
• wherein a through hole is designed having two constrictions in an end region on a delivery side, thereby forming a first annular step and a second annular step, on which a compression spring is supported, which compression spring extends into a region of the through hole which is on a drive side and stresses a ball which fills a drive-side opening of the through hole and is part of a ball-valve device.

A pump arrangement comprising at least one armature element arranged to absorb and store kinetic energy during an acceleration phase;

• an ejecting device forming a pressure space for a working fluid to be pumped and having a feeding device, a working-fluid spraying device and a blocking element therein, the blocking element covering the pressure space on one side and being subjected to the kinetic energy of the armature element;
• wherein the kinetic energy is converted by a surge movement into a pressure surge, and said kinetic energy conveying the pressure surge to the working fluid, wherein a pressure-accumulating-space cylinder, is arranged upstream of the blocking element and the armature element in such a manner to transmit the stored, kinetic energy in a surge-like manner to operating fluid transferred therethrough;
• wherein the ejecting device is arranged upstream of the pressure-accumulating-space cylinder in an axial manner on a delivery side and an electromagnetic drive unit is arranged downstream on a drive side;
• and
• wherein a drive-side end surface of the pressure-accumulating-space cylinder is planar and an ejecting-side end surface of the pressure-accumulating-space cylinder is depressed in a direction of the drive side, and is recessed in a concavely curved manner in cross section and has an annular bearing surface on the periphery, the recess forming a cavity which is covered by the blocking element which is designed as a diaphragm and bears against the bearing surface.

A pump arrangement comprising at least one armature element arranged to absorb and store kinetic energy during an acceleration phase;

• an ejecting device forming a pressure space for a working fluid to be pumped and having a feeding device, a working-fluid spraying device and a blocking element therein, the blocking element covering the pressure space on one side and being subjected to the kinetic energy of the armature element;
• wherein the kinetic energy is converted by a surge movement into a pressure surge, and said kinetic energy conveying the pressure surge to the working fluid, wherein a pressure-accumulating-space cylinder, is arranged upstream of the blocking element and the armature element in such a manner to transmit the stored, kinetic energy in a surge-like manner to operating fluid transferred therethrough;
• wherein the ejecting device is arranged upstream of the pressure-accumulating-space cylinder in an axial manner on a delivery side and an electromagnetic drive unit is arranged downstream on a drive side;
• and
• wherein a pressure-accumulating space essentially comprising a through hole and a cavity is formed between a ball of a ball-valve device and the blocking element.

A pump configured to deliver quantities of a liquid under high pressure, the pump comprising:

• a guide cylinder having an armature assembly operable therein;
• a pressure-accumulating-space cylinder in fluid communication with the guide cylinder and arranged to have a first fluid therein;
• an ejecting device having a fluid inlet, a fluid outlet, and a pressure space therein to transfer a second fluid therethrough and arranged in fluid isolation from the pressure-accumulating-space cylinder;
• and
• a blocking element located between the pressure-accumulating-space cylinder and the ejecting device to fluidly isolate the guide cylinder and pressure-accumulating-space from the ejecting device.

A reciprocating pump comprising:

• a guide cylinder;
• at least one armature element disposed within the guide cylinder and configured to transfer energy during actuation;
• an ejection device having a fluid inlet and a fluid outlet;
• a pressure-accumulating-space cylinder abutting the guide cylinder and having therein a pressure-accumulating space;
• a blocking element disposed between the pressure-accumulating space and the ejecting device and configured to receive energy from the at least one armature element;
• wherein the ejection device further comprises:
• a pressure space constructed to receive and transfer a working fluid disposed within the pressure space and is situated to receive a pressure surge from the blocking element;
• and
• a working-fluid spraying device in fluid communication with the pressure space and configured to spray a predetermined quantity of working fluid upon receipt of such a pressure surge.

A method of metered pumping of a fluid media comprising:

• transmitting energy in a driven armature element of a reciprocating pump to an operating fluid enclosed in a pressure-accumulating space;
• transferring the energy from the operating fluid to a blocking element in the form of a pressure surge;
• and
• transmitting the pressure surge from the blocking element to a working fluid enclosed in a pressure space, fluidly isolated from the operating fluid, wherein a predetermined quantity of the working fluid is ejected from the pressure space.