公开(公告)号：WO1982001853A1

公开(公告)日：1982-06-10

申请号：PCT/SE1981000337

申请日：1981-11-19

Applicant: SAAB SCANIA AB ,  MAGNUSSON KARL G ,  STAHL HANS V

Inventor： SAAB SCANIA AB

IPC: B60K20/00

CPC classification number: F16H61/0213 ,  F16H59/14 ,  F16H59/44 ,  F16H2059/405 ,  F16H2300/14 ,  Y10T477/6934

Abstract: Method for automatic gear selection in a vehicle power transmission, said selection being catered for by a control system including an electronic unit (1) which, in response to signals representing vehicle speed and engine load, coacts with a programmable read-only memory PROM (28), in which there are stored, for each gear position, alternative speed limits for changing gear to neighbouring gears and also limiting values relating to speed change and engine load for selection between said alternative speed limits. To eliminate the risk of unsuitable gear selection for heavy vehicles, e.g. in conjunction with changing gear on a hill, the invention is essentially distinguished in that during travel, data on speed change and engine load are stored in a random access memory RAM (29); that the speed value most recently stored in said RAM before the initiation of the gear selection is compared, together with values stored in said RAM and relating to speed change and engine load at a certain instant before the initiation of the speed change, with values stored in said PROM and relating to speed, speed change and engine load, respectively; that said comparison results in the choice of a certain gear; that in the electronic unit (1) there is generated an output signal representing the selected gear; and that said output signal is fed to an operative means for indicating and/or engaging the selected gear.

Abstract translation: 一种用于在车辆动力传递中自动选档的方法，所述选择由包括电子单元（1）的控制系统来适应，所述电子单元响应于表示车辆速度和发动机负载的信号与可编程只读存储器PROM（ 28），其中存储针对每个档位的替代速度限制，用于将齿轮变换到相邻齿轮，并且还限制与速度变化和发动机负载相关的值，用于在所述替代速度极限之间进行选择。 为了消除重型车辆不合适的档位选择的风险，例如 本发明的主要区别在于，在行驶期间，速度变化和发动机负载的数据被存储在随机存取存储器RAM（29）中; 在齿轮选择开始之前最近存储在所述RAM中的速度值与存储在所述RAM中的值相关联，并且与速度变化和发动机负载相关，在速度变化开始之前的特定时刻，存储值 在PROM中分别涉及速度，变速和发动机负载; 说比较结果是选择一定的齿轮; 在电子单元（1）中产生代表所选齿轮的输出信号; 并且所述输出信号被馈送到用于指示和/或接合所选择的档位的操作装置。

公开(公告)号：WO1982003899A1

公开(公告)日：1982-11-11

申请号：PCT/SE1982000130

申请日：1982-04-23

Applicant: SAAB SCANIA AB ,  KREIJ SVEN ERIK

Inventor： SAAB SCANIA AB

IPC: F16K15/03

CPC classification number: F16K1/2263

Abstract: A sealing device for valves comprises two co-acting sealing surfaces one of which is arranged facing outwards on a valve body which is pivotally mounted in the valve housing, and the other forming an inwards-facing surface on the seat arranged in the valve housing. When the valve is closed the two sealing surfaces are pressed against each other with a wedge-wise engagement along an engagement line or engagement zone. According to the invention at least one of the sealing surfaces is formed as a segment (S) of a toroidal figure (T) which is defined by a convex or concave curved line (G) which is rotated as a generatrix around an axis of rotation (R), out of which figure the segment is cut so that a plane (A) through the sealing surface, along which the engagement line or engagement zone is located when the valve is closed, is inclined relative to the axis of rotation (R) and is bounded in each and every direction from the latter by the curved line.

Abstract translation: 用于阀的密封装置包括两个共同作用的密封表面，其中一个共同作用的密封表面，其中一个在阀体上面向外设置，该阀体枢转地安装在阀壳体中，另一个在布置在阀壳体中的座椅上形成向内的表面。 当阀关闭时，两个密封表面沿着接合线或接合区域以楔形接合方式彼此压靠。 根据本发明，至少一个密封表面形成为环形图形（T）的段（S），该​​环形图形（T）由凸形或凹形曲线（G）限定，该曲线（G）围绕旋转轴线旋转为母线 （R），从该图中切出该段，使得当阀关闭时通过密封表面的接合线或接合区所位于的平面（A）相对于旋转轴线（R ），并且通过曲线在后者的每个方向上被界定。

公开(公告)号：WO1982000686A1

公开(公告)日：1982-03-04

申请号：PCT/SE1981000197

申请日：1981-06-30

Applicant: SAAB SCANIA AB ,  JOHANSSON A

Inventor： SAAB SCANIA AB

IPC: F02C06/04

CPC classification number: F01D17/146

Abstract: Turbine, de preference une turbine entrainee par les gaz d'echappement faisant partie du surcompresseur d'un moteur a combustion interne, pourvue d'un mecanisme (10) de restriction variable dans la conduite d'admission peripherique (3) debouchant sur un rotor de turbine (4) monte de maniere rotative dans l'enveloppe (2) de la turbine. Le but de l'invention est d'empecher que, lorsque l'on procede a une regulation par etranglement de l'admission d'air dans la turbine, des perturbations ne se produisent dans l'ecoulement d'admission provoquant une perte d'energie et d'empecher ou au moins de reduire le developpement de contraintes mecaniques et thermiques dans le dispositif commandant l'action d'etranglement. A cet effet, la turbine de l'invention se caracterise en ce que la restriction peut etre ajustee par deplacement radial d'une section de paroi externe dans l'enveloppe (2) de la turbine formant une separation de la conduite d'admission (3), en ce que cette section de paroi comprend plusieurs elements de paroi (16, 17, 18) relies les uns aux autres de maniere articulee, au moins deux d'entre eux etant supportes de maniere articulee et/ou deplacable par rapport au corps (2) de la turbine, et en ce que la section de paroi est concue a ses extremites respectives de maniere a se connecter, lorsqu'elle est soumise a une surface sensiblement inchangee de la conduite d'ecoulement, aux sections de paroi fixes du corps de turbine (2) et a former avec ce dernier une admission helicoidale debouchant sur le rotor de turbine (4).

公开(公告)号：WO1982000318A1

公开(公告)日：1982-02-04

申请号：PCT/SE1981000196

申请日：1981-06-30

Applicant: SAAB SCANIA AB ,  GADEFELT B ,  SAEAEF L

Inventor： SAAB SCANIA AB

IPC: F02F01/24

CPC classification number: F02F1/4214 ,  F01L1/26 ,  F02B1/04 ,  F02F2001/245

Abstract: Internal combustion engine with at least one combustion chamber produced within a cylinder head or similar device, it being possible to feed a fuel-and-air mixture into the said combustion chamber through two inlet valves arranged in the cylinder head and to discharge from the said combustion chamber exhaust gases through two exhaust valves arranged in the cylinder head, with the invention also relating to a method of producing such a combustion chamber by means of a casting process. The invention is characterised in that the combustion chamber (1) consists of four cavities (4, 5, 6, 7) distributed in quadrants within a circular plane forming part of base plane (8) of cylinder head (2), in that each individual cavity (4-7) has a shape which is in the main rotationally symmetrical and in that the cavities (4-7) overlap one another, whereby arc-shaped transitions are formed between cavities (4-7) in base plane (8).

Abstract translation: 具有在气缸盖或类似装置内产生的至少一个燃烧室的内燃机，可以通过布置在气缸盖中的两个入口阀将燃料和空气混合物供给到所述燃烧室中，并从所述 通过布置在气缸盖中的两个排气阀来燃烧室排气，本发明还涉及通过铸造工艺生产这种燃烧室的方法。 本发明的特征在于，燃烧室（1）包括分布在形成气缸盖（2）的基面（8）的一部分的圆形平面内的象限中的四个空腔（4,5,6,7），其中每个 单个空腔（4-7）具有主旋转对称的形状，并且空腔（4-7）彼此重叠，从而在基面（8）中的空腔（4-7）之间形成弧形转变 ）。

公开(公告)号：WO1980002239A1

公开(公告)日：1980-10-30

申请号：PCT/SE1979000093

申请日：1979-04-17

Applicant: SAAB SCANIA AB ,  FOLKESSON H ,  OEBERG U

Inventor： SAAB SCANIA AB

IPC: B21D22/12

CPC classification number: B30B15/22 ,  B21D22/12 ,  B30B15/26

Abstract: A press operating with hydraulic pressure comprises a pair of relatively movable components (8, 11) which during a pressing operation carry out a relative movement which is sensed. By means of the sensed relative movement a control signal is generated which is used for regulating the hydraulic pressure so that this is caused to vary with the relative movement according to a certain functional relationship. For generating the control signal a manually programmable electrical function generator (23) is provided, preferably a panel (29) comprising plug contacts (34), on which a plurality of pairwise associated pressure and movement values, constituting electrically and visually readable points in the desired functional relationship, can be set up. To the input (28) of the function generator a measurement signal is fed which is a measure of the relative movement covered by the two components and which makes the function generator read off and issue at its output (24, 41-43) the pressure values as the set movement values corresponding thereto are reached.

Abstract translation: 用液压操作的压力机包括一对相对可移动的部件（8,11），其在按压操作期间执行感测的相对运动。 通过感测到的相对运动，产生用于调节液压的控制信号，以使其随着根据某种功能关系的相对运动而变化。 为了产生控制信号，提供手动可编程的电功能发生器（23），优选地包括包括插头触头（34）的面板（29），多个成对相关的压力和运动值在其上构成电和视觉可读点 期望的功能关系，可以设置。 对于函数发生器的输入（28），馈送测量信号，该测量信号是由两个分量覆盖的相对运动的量度，并且使函数发生器在其输出（24,41-43）上读出并发出压力 达到与其对应的设定移动值的值。

公开(公告)号：WO1982001244A1

公开(公告)日：1982-04-15

申请号：PCT/SE1980000243

申请日：1980-10-06

Applicant: SAAB SCANIA AB

Inventor： SAAB SCANIA AB ,  KJELLBERG B

IPC: F42C15/26

CPC classification number: F42C15/26

Abstract: A detonator safety device for rotating projectiles includes detent mechanisms, at least one of which is sensitive to acceleration and at least one sensitive to rotation, both of which must be released for enabling a detonator (28) mounted on a preferably rotatable first member (2) to be put into an active position for triggering by a fuse mounted in the projectile in coaction with the device. The rotation-sensitive detent mechanism includes a detent member (6), displaceable by the action of centrifugal force to an active position for providing the release of a second member actuable by the acceleration-sensitive mechanism so that the first member (2) may be displaced to its active position. A locking member (15) coacting with the detent member (6) is adapted to inhibit displacement of the detent member to its active position until the locking member is subjected to a predetermined rotational force and is displaced to an active position.

Abstract translation: 用于旋转射弹的雷管安全装置包括止动机构，其至少一个对加速度敏感，并且至少一个对旋转敏感，两者都必须被释放，以使得能够安装在优选可旋转的第一构件（2）上的雷管 ）被放置在活动位置，以通过安装在射弹中的保险丝触发与设备的协调。 旋转定位机构包括一个可通过离心力的作用移动到活动位置的止动件（6），用于提供由加速度敏感机构致动的第二部件的释放，使得第一部件（2）可以是 流离失所。 与止动构件（6）共同作用的锁定构件（15）适于阻止止动构件移动到其主动位置，直到锁定构件经受预定的旋转力并且移位到活动位置。

公开(公告)号：WO1981002323A1

公开(公告)日：1981-08-20

申请号：PCT/SE1980000255

申请日：1980-10-22

Applicant: SAAB SCANIA AB ,  JIEWERTZ S

Inventor： SAAB SCANIA AB

IPC: F02B37/08

CPC classification number: F02D35/027 ,  G01L23/225 ,  G01M15/06

Abstract: Method for generating a reference signal in a knock detector connected to an internal combustion engine (1), the output signal of which represents the degree of knocking in the engine (1). For the purpose of obtaining a simple reference signal which is also well defined at high engine speeds, this invention is characterized in that the rotational speed of the engine (1) is monitored, and in that the reference signal which is generated is proportional to the rotational speed. This invention also relates to a device whereby the method in accordance with the invention may be implemented.

公开(公告)号：WO1979000844A1

公开(公告)日：1979-11-01

申请号：PCT/SE1979000068

申请日：1979-03-28

Applicant: SAAB SCANIA AB ,  SVENSSON R

Inventor： SAAB SCANIA AB

IPC: G08B29/00

CPC classification number: G08B29/08 ,  G08B26/006

Abstract: In a security system, for status reporting from detectors (D1, D2, D3) set up in a protected local (P) to a monitoring centre (C), and monitoring the operational condition of communication lines (3) which are arranged to connect the detectors to the monitoring centre, an interrogation signal (F) is produced and transmitted from an interrogation unit (1) in the monitoring centre to an answering unit (2) connected to the interrogation unit and located in the detector. The answering unit replies by producing and sending back to the interration unit an answering signal (Sf) which is dependent on he interrogation signal. When alarm/sabotage status is indicated by the detector, the answering unit recognises this and sends an alarm/sabotage signal (sa/Ss) to the interrogation unit which is different from the answering signal (Sf) depending on the interrogation signal. In order to prevent or make unauthorised manipulation of the security system with a view to misleading the monitoring centre (C) extremely difficult, and to obtain a functionally-reliable arrangement in which both monitoring of the communication lines (3) and status reporting from the detectors (D1, D2, D3) is effected simultaneously with the aid of the same functional units by integrated communication, the interrogation signal (F) transmitted by the interrogation unit (1) is arranged to be transmitted continuously and also to be information-bearing with a stochastically varying content. The answering unit (2) is arranged to endow the answering signal with an information content which, in addition to the instantaneous information content of the interrogation signal, also depends on the actual status (a, s) of the detector, and to send back the answering signal continuously.

Abstract translation: 在安全系统中，用于将设置在受保护的本地（P）到监视中心（C）的检测器（D1，D2，D3）的状态报告，并且监视被布置成连接的通信线路（3）的操作状态 监视中心的检测器产生询问信号（F）并从监视中心的询问单元（1）发送到连接到询问单元并位于检测器中的应答单元（2）。 应答单元通过产生并发送回到接收单元来回复依赖于询问信号的应答信号（Sf）。 当检测器指示报警/破坏状态时，应答单元识别并根据询问信号向询问单元发送不同于应答信号（Sf）的报警/破坏信号（sa / Ss）。 为了防止或未经授权的操纵安全系统以使监控中心（C）误导，并且获得功能可靠的安排，其中监视通信线路（3）和状态报告 通过综合通信在同一功能单元的帮助下同时实现检测器（D1，D2，D3），由询问单元（1）发送的询问信号（F）被连续传输并且也是信息承载 具有随机变化的内容。 应答单元（2）被布置为向应答信号提供除了询问信号的即时信息内容之外还取决于检测器的实际状态（a，s）并且发回的信息内容 应答信号不断。

公开(公告)号：WO1979000444A1

公开(公告)日：1979-07-26

申请号：PCT/SE1978000102

申请日：1978-12-22

Applicant: SAAB SCANIA AB ,  GIMSTEDT L ,  KARLSSON K

Inventor： SAAB SCANIA AB

IPC: F02G01/04

CPC classification number: F02G1/043 ,  F02G2275/40

Abstract: A gas expander of the type which comprises an expansion chamber (6, 23, 44) provided with inlet ports (9, 33, 34, 48) and outlet ports (13, 35, 36, 49) and a work transfer means (4, 24, 45) which is movable in the expansion chamber and which is arranged to be actuated by the gas in the expansion chamber during a gas expansion/working phase. In order to reduce the heat-associated losses in the gas expander (1, 21, 42) which are occasioned by the removal of heal from the expansion chamber (6) and heat oscillations between the gas and the material of the expansion chamber walls with an inappropriate lime constant relative to the working phase of the expander, and to achieve thereby improved gas admission and gas expansion with an associated increase in the efficiency of the gas expander, heat energy controlling means (14, 15; 41; 58, 59) having a structure (17, 20, 62) which is known per se is applied in the admission volume (7) of the expansion chamber and is given such a large heat-transfer surface-to-mass ratio that the maximum material dimension (D, T) of the structure is less than the heat penetration depth which occurs in the walls of the expansion chamber and of the work transfer means when these are exposed to oscillating temperature variations during operation of the gas expander. By this means a starting condition is obtained for the expansion process of the gas flowing into the expander which condition makes possible almost isothermic expansion with less net entropy increase than with a conventional gas expansion process and thereby lower heat losses and lower mean temperatures in the gas expander.

Abstract translation: 一种气体膨胀器，其包括设有入口（9,33,34,48）和出口（13,35,36,49）的膨胀室（6,23,44）和工件转移装置（4） ，24,45），其可在膨胀室中移动，并且在气体膨胀/加工阶段期间被布置成由膨胀室中的气体致动。 为了减少气体膨胀器（1,21,42）中的与热膨胀室（6）的愈合有关的热相关损失，并且在气体和膨胀室壁的材料之间加热振荡， 相对于膨胀机的工作阶段的不适当的石灰常数，并且通过相应地提高气体膨胀机，热能控制装置（14,15; 41; 58,59）的效率来实现改进的气体进入和气体膨胀， 具有本身已知的结构（17,20,62）被施加在膨胀室的入口容积（7）中，并且具有如此大的传热表面质量比，使得最大材料尺寸（D ，T）小于膨胀室和工作传递装置的壁中发生的热穿透深度，这些深度在气体膨胀器的操作期间暴露于振荡温度变化时。 这样就可以获得流入膨胀机的气体的膨胀过程的起始条件，这种条件使得几乎具有比常规气体膨胀过程更少的净熵增加的等温膨胀，从而降低了气体中的热损失和较低的平均温度 扩展。

公开(公告)号：WO1982002172A1

公开(公告)日：1982-07-08

申请号：PCT/SE1981000384

申请日：1981-12-21

Applicant: SAAB SCANIA AB ,  JOHANSSON GUSTAV ARNE ,  NORDSTROEM MAURITZ ,  SJOESTROEM STAFFAN SVERKERSON

Inventor： SAAB SCANIA AB

IPC: B60G11/12

CPC classification number: B60G11/107 ,  B60G2204/121 ,  B60G2204/4232

Abstract: Disposition de montage d'un ensemble de ressorts a lames (3) faisant partie de la suspension d'un vehicule et connectant au moins un support d'axe de roues ou un dispositif analogue au chassis du vehicule. Une section d'extremite (13) de l'ensemble de ressorts a lames (3) est fixee soit au support d'axe de roue soit au chassis du vehicule et l'invention permet de realiser un montage reglable ne necessitant pas d'entretien presentant un bon amortissement du bruit et des vibrations tout en permettant un reglage aise de la position du support (2) d'axe de roues par rapport au chassis du vehicule. Dans ce but, la section d'extremite (13) de l'ensemble de ressorts a lames (3) est pourvue d'une surface en forme d'arc qui, au travers d'un coussinet (25) compose d'un materiau non metallique, agit de concert avec une surface interieure correspondante en forme d'arc a l'interieur d'un siege de palier (11, 12) encerclant une section d'extremite (13). Le siege de palier se compose de deux moities de paliers laches (11, 12) pouvant se fixer l'une a l'autre et ce siege de palier est fixe de maniere reglable a une partie de retenue (15) du support (2) d'axe de roues ou du chassis du vehicule, permettant ainsi de reduire le risque d'une usure anormale des pneus.