1. A mass balance unit having an integrated secondary unit for an internal combustion engine of a motor vehicle, comprising:
a mass balance housing in which at least one mass balance shaft is rotatably journaled and a unit housing in which at least one drive shaft of the secondary unit is rotatably journaled, wherein the mass balance housing is made in one piece and has at least one bearing section which completely surrounds a bearing opening in which the mass balance shaft is rotatably journaled;
wherein the unit housing is also made in one piece and integrally includes at least one base section, a wall section and a bearing section which completely surrounds a bearing opening in which the drive shaft is rotatably journaled;
wherein the drive shaft is operably connected drivewise to the balance shaft;
wherein the base section of the unit housing is releasably fastened to a lower side of the mass balance housing, the base section of the unit housing and the mass balance housing having flange surfaces for fastening the unit housing to the mass balance housing and which are arranged in a radial direction offset to an axis of rotation of the mass balance shaft; and
wherein the wall section of the unit housing is arranged at an end face of the mass balance housing.
2. The mass balance unit in accordance with claim 1, wherein the mass balance housing has a housing opening at the lower side, with the base section of the unit housing closing the housing opening of the mass balance housing at the lower side.
3. The mass balance unit in accordance with claim 1, wherein the unit housing is only fastened to the mass balance housing via the base section.
4. The mass balance unit in accordance with claim 1, wherein the unit housing is only fastened to the lower side of the mass balance housing.
5. The mass balance unit in accordance with claim 1, wherein the wall section of the unit housing extends substantially perpendicular to the base section of the unit housing.
6. The mass balance unit in accordance with claim 1, wherein, in the position of use of the mass balance unit, the base section of the unit housing extends substantially along a horizontal plane and the wall section of the unit housing extends substantially along a vertical plane.
7. The mass balance unit in accordance with claim 1 wherein at least one of the flange surface of the base section and the flange surface of the mass balance housing has at least one groove which forms a passage extending along the flange surface for the conveying of lubricant.
8. The mass balance unit in accordance with claim 7, wherein the passage is in communication with the bearing opening of the mass balance housing via a lubricant passage which is formed in the bearing section of the mass balance housing.
9. The mass balance unit in accordance with claim 1, wherein a unit housing cover is fastened to a side disposed opposite the mass balance housing at the wall section of the unit housing.
10. The mass balance unit in accordance with claim 1, wherein the mass balance shaft and the drive shaft are arranged coaxially.
11. The mass balance unit in accordance with claim 1, wherein the mass balance shaft and the drive shaft are arranged in parallel offset to one another.
12. The mass balance unit in accordance with claim 1, wherein the operative drivewise connection of the mass balance shaft and the drive shaft includes a transmission which includes a spur gear.
13. The mass balance unit in accordance with claim 1, wherein the operable drivewise connection of the mass balance shaft and the drive shaft includes a clutch device.
14. The mass balance unit in accordance with claim 1, wherein a pressure restricting valve is arranged in the unit housing.
15. The mass balance unit in accordance with claim 1, wherein the mass balance housing is made in one piece with an oil pan which has a fastening section at an upper side for the fastening of the oil pan to a crankcase of the internal combustion engine and at least one of an oil collection section at a lower side and a fastening section at the lower side for the fastening of an oil pan base.
16. The mass balance unit in accordance with claim 1, wherein at least one balance weight and at least one drive wheel are rotationally fixedly connected to the mass balance shaft.
17. The mass balance unit in accordance with claim 1, wherein two mass balance shafts are rotatably journaled in the mass balance housing, and are arranged parallel to one another and operably drivewise connected to one another drivewise.
18. The mass balance unit in accordance with claim 1, wherein the secondary unit is an oil pump.
19. A mass balance unit for an internal combustion engine, comprising:
a one-piece mass balance housing having an integral first bearing section defining a first bearing opening;
a balance shaft rotatably journaled in the first bearing opening of the mass balance housing; and
a secondary unit mounted to the mass balance housing and including a one-piece unit housing and a drive shaft rotatably driven by the balance shaft, the unit housing having a base section and a traversely extending wall section defining an integral second bearing section having a second bearing opening within which the drive shaft is rotatably journaled, wherein the base section is releaseably secured to a lower side of the mass balance housing and the wall section is disposed adjacent an end face of the mass balance housing unit, the base section of the unit housing and the mass balance housing having flange surfaces for securing the unit housing to the mass balance housing and which are arranged offset in a radial direction relative to an axis of rotation of the balance shaft.
20. The mass balance unit in accordance with claim 19 wherein the mass balance housing defines a housing opening through which the balance shaft extends and which is closed by the base section of the unit housing upon securing of the unit housing to the mass balance housing.
21. The mass balance unit in accordance with claim 20 wherein the unit housing is only secured to the mass balance housing via the base section, and wherein at least one of the flange surfaces associated with the base section of the unit housing and the mass balance housing defining a lubrication groove.
22. The mass balance unit in accordance with claim 21 wherein the lubrication groove is in communication with a lubricant passage formed in the first bearing section of the mass balance housing for providing lubricant to the balance shaft in the first bearing opening.
23. A mass balance unit associated with an internal combustion engine, comprising:
a one-piece mass balance housing defining a pair of laterally-spaced bearing sections each having a bearing opening, a connection section interconnecting upper portions of the bearing sections, and a housing opening located between lower portions of the bearing sections;
a balance shaft rotatably journalled in the bearing openings and having its ends projecting out of the bearing sections;
a balance weight fixed for rotation with the balance shaft between the bearing sections;
a gear fixed for rotation to a first end of the balance shaft;
a drive member fixed for rotation to a second end of the balance shaft; and
a secondary unit mounted to the mass balance housing and including a unit housing and a driven member, the unit housing having a base section and a traversely extending wall section defining a bearing section with a bearing opening, the driven member is coupled for rotation with the drive member and is rotatably journalled in the bearing opening of the unit housing, wherein the base section is releaseably secured to a lower side of the mass balance housing to enclose the housing opening, the base section of the unit housing and the mass balance housing having flange surfaces for securing the unit housing to the mass balance housing and which are aligned in a radial direction offset relative to a rotary axis of the balance shaft, and wherein the wall section is disposed adjacent an end face of the mass balance housing.
24. The mass balance unit in accordance with claim 23 wherein the mass balance housing is formed integrally with an oil pan of the engine.
25. The mass balance unit in accordance with claim 23 wherein the secondary unit is an oil pump, wherein the unit housing is a one-piece pump housing, and wherein the driven member is a pump component driven in response to rotation of the balance shaft.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for supporting session mobility from a first device having respective sessions connected with at least one service device to a second device, comprising:
a) determining whether an address of the second device is defined by the first device when the session movement begins from the first device; and
b) at a), transferring session information including data for supporting session mobility from the first device to the second device when the address of the second device is defined clearly by the first device, and transferring the session information data from the first device to the session management server when the address of the second device is not defined clearly.
2. The method for supporting session mobility of claim 1, wherein the session data is transferred by utilizing a SIP PUBLISH message.
3. The method for supporting session mobility of claim 1, further comprising:
at b), when the session data is transferred to the second device,
c) generating an SIP session establishment message from the second device by using the received session data, and transferring the SIP session establishment message from the second device to a predetermined service device; and
d) establishing new sessions between the service device and the second device by utilizing the received SIP session establishment message.
4. The method for supporting session mobility of claim 3, further comprising:
after d), e) terminating the previously established sessions between the service device and the first device by utilizing the received SIP session establishment message.
5. The method for supporting session mobility of claim 4, further comprising:
after e), f) publishing a result of a session movement from the first device to the second device through a SIP PUBLISH message.
6. The method for supporting session mobility of claim 1, further comprising:
at b), when the session data is transferred to the session management server,
c) storing the session data and the user identification of the received SIP PUBLISH message at the session management server;
d) transferring a SIP SUBSCRIBE message including the user identification from the second device to the session management server;
e) transferring the session data having the same user identification as the user identification included in the SIP SUBSCRIBE message from the session management server to the second device through a SIP NOTIFY message;
f) generating a SIP session establishment message from the second device and transferring the SIP session establishment message to the predetermined service device by utilizing the received SIP NOTIFY message; and
g) establishing new sessions between the service device and the second device by utilizing the received SIP session establishment message.
7. The method for supporting session mobility of claim 6, further comprising
after g), h) terminating the previously established sessions between the service device and the first device by utilizing the received SIP session establishment message.
8. The method for supporting session mobility of claim 7, further comprising:
after h), i) publishing a result of the session movement from the first device to the session management server through a SIP PUBLISH message.
9. The method for supporting session mobility of claim 8, further comprising:
after i), j) notifying a result of the session movement from the session management server to the second device through the SIP NOTIFY message.
10. The method for supporting session mobility of claim 1, wherein the session data includes data needed to establish new session, such as addresses of two peers of the session, a session ID of the session, a cookie, and other session specific information.
11. The method for supporting session mobility of claim 2, wherein the session data is generated for each session, and the SIP PUBLISH message includes at least one session data.